^ Montana State University states in their profile of Rocky Mountain National Park that there has been an increase of 2.5 °F (1.4 °C) in the average park temperature over "the past century" (charts show the period from about 1895-2010).[48] The National Park Service site states that the increase has been 3.4 °F (1.9 °C) over "the last century" (chart shows the period from about 1905-2010).[52]
Situated in Southern Colorado, the Great Sand Dunes National Park is an impressive sight. Shaped by winds blowing from and against the nearby Sangre de Cristo Mountains, the piles of sand climb to more than 750 feet (230 meters), making them the tallest dunes in North America. Sand-boarding, skiing and sledding on the dunes are the park’s most popular activities, and there are medium-size slopes to slide on located near the main parking area. A longer hike to the north brings thrill seekers to a 300-foot (90 meter) slope that tumbles onto into Medano Creek.
You have never seen a Y like this!  We offer over 200 family cabins ranging from 2-4 bdrms, which can hold up to 10 people.  Be close to the main campus & activities or far from it all, in secluded woods.  Our cabins are fully furnished and include eating & cooking utensils, plus linens & towels.  Many free activities are available - we offer more activities onsite than any other area property!  YMCA of the Rockies - Estes Park Center Details
In the winter, try the “Ski-In/Ski-Out” Treatment—the only one of its kind at a ski resort. In 30 minutes, professionals submerge your feet in a warm, exfoliating bath and go to work to increase circulation. They relieve the tension with a hot stone massage to get you back into action. This treatment is designed perfectly to soothe you after a day of adrenaline and activity, and vamp you back up for more.
Just a 5-minute stroll from downtown Estes Park, Fall River Village offers 66 luxury accommodations, including 60 two bedroom and two bathroom condos, a honeymoon suite, four three bedroom and four bathroom townhomes and a four bedroom townhome with panoramic views of the Continental Divide. Property amenities include a heated, outdoor pool, year-round, outdoor hot tubs, a community room, fire pit and grill areas as well as an outdoor recreation area with yard games and a hammock.
Estes Park is one of the most beautiful mountain retreats in all of Colorado — and we’re not just saying that because they’re our neighbors! OutThere Colorado named the village on their list of the 10 Most Beautiful Places to Spend a Weekend in Colorado. It was chosen for its proximity to Rocky Mountain National Park and the stunning views from Estes Park Aerial Tramway.
Take in the beautiful scenery of Colorado's Front Range, the gateway to Rocky Mountain National Park, as you zip through the trees! Just a 30-minute drive from downtown Denver lie three of Colorado’s longest zipline tracks. 6-line Zipline: Enjoy 4 hours of fresh air, scenic views and thrills on the 6-line zipline in the Rocky Mountains. Ride on six lines that range from 850 feet (259 m) to 1,900 feet (579 m). Soar through the treetops and experience three of Colorado’s longest ziplines! There is a 10-minute uphill hike between the first and second zipline and minimal walking between the others; above-average physical condition is recommended.
All this and more just moments from your dream mountain town home.  Or, venture further into Rocky Mountain National Park and nearby high mountain ranges to find scenic drives and trailheads — with wild flower fields, lush basins and snowcapped massifs, world famous hiking, backpacking and mountaineering, pristine trails up bubbling brooks and cascading waterfalls, through chaos canyons to stair-stepping alpine lakes, frozen tarns, imposing glaciers, tantalizing 13’ners and 14,000′ sawtooth ridges — an adventure-filled vacation you’ll always remember.  
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Take advantage of The Mining Exchange MX Spa Couples Retreat massage, perfect for newly married couples celebrating wedded bliss, long-time couples enjoying their anniversary, or simply a needed romantic Colorado Springs getaway. This massage also offers special add-on features including a soak in one of their Kohler VibrAcoustic Bubble Massage Chromotherapy Tubs, chocolate covered strawberries and champagne.
Colorado’s biggest city, Denver offers an eclectic mix of attractions, from its trendy eateries to its impressive museums. A combination of a cityscape and natural surroundings, Denver is more than just a base to explore Colorado’s other outdoor treasures. Boasting a laid-back ambiance, this Mile High City is centered around an outdoorsy culture of locals that welcome visitors to sample their delicious craft beer, vibrant shopping streets and beautiful hiking paths. Spend a day at the Denver Art Museum, Denver Museum of Nature & Science or the Denver Zoo, then browse Larimer Square and catch a game at Coors Field.

Explore many miles of cycling and mountain biking trails or go white water rafting, paddling, wind-surfing and kayaking. Mesa Lake is rumored to be the best place in Colorado for trout fishing and in winter you can even go ice fishing. You can expect to find the full gamut of winter sports, including thrilling snowmobile tours. If you need a break from the action, you can visit the Pioneer Museum or a few of the local art galleries.
Thanks to a wide variety of things to do and places to see, Boulder is arguably one of the best weekend getaways in Colorado—if not the whole Western United States! This college town (home to University of Colorado Boulder) has it all: hike the Flatirons or Chautauqua Park in the morning, tour the Celestial Seasonings Tea Factory and Leanin’ Tree gallery in the afternoon, and then head to Pearl Street for shopping, drinking, and dining at night—and get around on the Boulder Creek Path in between. A Boulder bike tour helps you fit in even more sightseeing, perfect for a quick itinerary.

19th-century ghost town, and hosts its own fabulous mineral hot springs. The five-star property enjoys a backdrop of aspens and the dramatic San Juan Mountain Range, situated about 30 miles southwest of Telluride. It’s the perfect place to disconnect from the chaos of the modern world and connect with the one you love. Nearby you can go heli-skiing, rock climbing or hike miles and miles of scenic trails. It hosts a ring of historic log cabins that now serve as luxurious retreats as well as other historic buildings that house a lavish spa, a well-stocked library and a saloon with wagon-wheel chandeliers.
Surrounded on three sides by Rocky Mountain National Park, Grand Lake is aptly known as the “Western Gateway” to the Rockies. Because of its close proximity to the wilderness, it’s one of the best weekend getaways in Colorado for an itinerary full of adventure. Strap on your cross-country skis or rent a snowmobile to explore the area’s large network of trails no matter the weather. For indoor entertainment, head to the Rocky Mountain Repertory Theatre, which puts on professional shows loved by kids and parents alike.
Keystone is the ultimate year-round outdoor playground. Families will discover a wealth of things to do to keep the kids, and themselves happy, with everything from a Kidtopia Play Park, Keystone Science School Day Camps and the summer snow tubing hill to stand up paddle boarding and boating on the lake, miniature golf, GPS Geo-Cache Adventures and dinner wagon rides. Then there are the festivals, like the Model Boat Regata, the Snake River Festival, and Cirque D’Wheels. If you stay at Keystone Resort, the Kidtopia Children’s Theatre hosted in the Quaking Aspen Amphitheatre is free every Friday.

The Springs Resort - overlooks the San Juan river and is an oasis of relaxation and romance. The resort features 18 different therapeutic mineral soaking pools, full spa services and deluxe accommodations. They've got romance packages perfect for weddings, honeymoons and anniversaries too. And with Wolf Creek Ski Area just a short distance away, this could be a very romantic Colorado winter vacation.

While it is possible to travel through Rocky Mountain National Park and not catch sight of any wildlife, we venture to say that is an unlikely experience. From everyday sightings of chipmunks and mule deer to the moving experience of viewing elk in rut (the mating season), the animals in the park let you know that you are part of something truly wild. Some of these critters are harder to spot than others - they might camouflage themselves in the trees or hide in the underbrush - but look closely and you may have an encounter unlike any other. 

Wildflower-lovers are never disappointed in June and July when the meadows and hillsides are splashed with botanical color. Autumn visitors can relax among the golden aspens or enjoy the rowdier antics of the elk rut during mating season. And those brave enough to venture into the cold during the winter are treated to snowscapes unlike any other, as the park is open year-round.
A famous ski resort town that attracts visitors year-round, Aspen is the premiere destination for outdoor activities. It is a more upscale area that has numerous high-end restaurants and stores, in addition to landmarks like the Wheeler Opera House and the Aspen Art Museum. It’s a great place to come relax and have a good time, or to stay busy with a range of fun outings.
Another addition to the Denver skyline is the 165-room ART Hotel, which opened early summer of 2015. Located in downtown Denver’s Cultural District, the boutique hotel is simply unique, capturing the contemporary art scene as if the hotel were its sketching pad. When my husband and I stayed there, one of our favorite things to do order a cocktail at the rooftop bar and then step out onto the  FIRE Terrace, a unique Denver rooftop bar and restaurant experience with a fourth-floor patio that overlooks the bustling life of the Broadway Street below.
Precambrian metamorphic rock formed the core of the North American continent during the Precambrian eon 4.5–1 billion years ago. During the Paleozoic era, western North America was submerged beneath a shallow sea, with a seabed composed of limestone and dolomite deposits many kilometers thick.[54] Pikes Peak granite formed during the late Precambrian eon, continuing well into the Paleozoic era, when mass quantities of molten rock flowed, amalgamated, and formed the continents about 1 billion–300 million years ago. Concurrently, in the period from 500–300 million years ago, the region began to sink while lime and mud sediments were deposited in the vacated space. Eroded granite produced sand particles that formed strata—layers of sediment—in the sinking basin.[55]
Estes Park is one of the most beautiful mountain retreats in all of Colorado — and we’re not just saying that because they’re our neighbors! OutThere Colorado named the village on their list of the 10 Most Beautiful Places to Spend a Weekend in Colorado. It was chosen for its proximity to Rocky Mountain National Park and the stunning views from Estes Park Aerial Tramway.

Beaver Mountain Loop, also used by horseback riders, passes through forests and meadows, crosses Beaver Brook and several aspen-filled drainages, and has a great view of Longs Peak.[42] Deer Mountain Trail gives a 360 degree view of eastern part of the park. The summit plateau of Deer Mountain offers expansive views of the Continental Divide. During the winter, the lower trail generally has little snow, though packed and drifted snow are to be expected on the switchbacks. Snow cover on the summit may be three to five feet deep, requiring the use of snowshoes or skis.[42]


Wait ... I'm hearing very, very tiny violins 🎶 ...just one of the companies make as much as $30 million each quarter, mostly in royalty payments ... Just a very, very rich family getting extremely richer every 3 months for doing absolutely nothing except for collecting payments from others - hopefully somewhere down the chain, someone is actually doing some real work ....
Daily bus service into Rocky Mountain National Park is available weekends beginning in Memorial Weekend and then daily from June 27, 2016 to September 7, 2016 and weekends until the end of September, 2016. There are two more routes to help you once you are in the Park for Moraine Park and Glacier Basin (Bear Lake). Sorry, there are no bus routes for Trail Ridge Road or Horseshoe Park.
The park's climate is also affected by the Continental Divide, which runs northwest to southeast through the center of the park atop the high peaks. The Continental Divide creates two distinct climate patterns - one typical of the east side near Estes Park and the other associated with the Grand Lake area on the park's west side.[49] The west side of the park experiences more snow, less wind, and clear cold days during the winter months.[49]
Bedrooms enjoy air-conditioning and central heating, mini refrigerators, and free Wi-Fi while private bathrooms have rain showers and Jacuzzi whirlpools. A delicious full English breakfast is served each morning in the inn’s elegant dining room, and lunch and dinner can be taken at the inn on request. The inn is within walking distance of several excellent restaurants in Colorado Springs as well as other entertainment.
Located in Lions Gate Drive in Winter Park, Winter Park Chateau is a boutique Victorian-style bed and breakfast ideally placed, as it allows visitors to easily explore the surrounding area. The Chateau offers well appointed, comfortable accommodation in the form of eight guest rooms, which feature king, queen, or double beds, designer décor, private bathrooms, and amenities such as flat-screen televisions and wireless Internet. Some of the rooms have fireplaces, jetted spa baths and private balconies with stunning views.
The famous hot springs of Glenwood is a must-see and do for all romantics. Located in Glenwood Springs, less than 3 hours from Denver, the historic and local family-owned Hotel Denver spans more than 100 years with many stories to tell, including Colorado immigrants, prohibition, gangsters, world wars, and even a Wild West shooting or two. This Colorado hotel has bragging rights to prime real estate in historic downtown Glenwood Springs, close to the train, many restaurants, shopping, the Hot Springs Pool, and our personal favorite, the Iron Mountain Hot Springs.
Colorado is the perfect destination for an extra-special weekend getaway, especially since it’s home to numerous exciting cities and nature spots. Admire panoramic views of the sweeping, majestic Rocky Mountains, and plan an afternoon hike and picnic. Book a stay at a gorgeous Colorado vacation rental near a historic national park to conveniently enjoy the great outdoors. Here are eight of the most romantic weekend getaway locations in Colorado.
While sightseeing in Denver, be sure to note your elevation: One of the steps in front of the Colorado State Capitol building is marked with a plaque signifying that it is exactly 5,280 feet, or one mile, above sea level. A perfect opportunity to snag a memorable smooch in the Mile High City — “mile-high club” jokes totally optional. More things to do in Denver >>
The riparian ecosystem runs through the montane, subalpine, and alpine tundra zones and creates a foundation for life, especially for species that thrive next to streams, rivers, and lakes.[74] The headwaters of the Colorado River, which provides water to many of the southwestern states, are located on the west side of the park. The Fall River, Cache la Poudre River and Big Thompson Rivers are located on the east side of the park. Just like the other ecosystems in the park, the riparian zone is affected by the climatic variables of temperature, precipitation, and elevation. Generally, riparian zones in valleys will have cooler temperatures than communities located on slopes and ridge tops. Depending on elevation, a riparian zone may have more or less precipitation than other riparian zones in the park, with the difference creating a shift in the types of plants and animals found in a specific zone.[75]
Our last (but definitely not least!) romantic hotel in Colorado is the Leroux Creek Inn & Vineyards. This secluded B&B is surrounded by vineyards and the valleys and mesas of the Grand Mesa located on 54 acres.  Sip their wine while gazing from the Leroux Creek Inn’s flower-bedecked patio onto their vineyards. Near the small town of Hotchkiss, the acreage also includes a creek, dry arroyos, grass pastures, sagebrush, and trees.
Most Coloradoans know about hiking and camping in glorious Rocky Mountain National Park, biking around Lake Estes, checking out the darling shops on Elkhorn Avenue and tearing around the go-cart tracks. But most don’t know about the Rocky Mountain Nature Association, which offers a variety of half-day courses for kids and grown-ups alike such as geo-caching, animal tracking, stargazing and art sketching as a travel souvenir. Festivals abound in Estes Park during the summer–the Fishing Derby (June 1, 2013) and Wool Market (June 8-9) is free and fun for kids. Featuring many animals, performances and sheep-sheering, this event is especially ideal for tactile learners and kids with special needs. Estes Park’s Rooftop Rodeo in July 9-14 not only has all the staples of a great Western time but the parade features horses, trick riders, cowboys and more.
Since it’s just the two of you, a tiny house would be a great choice for the most romantic vacation. The small house known as “Dreamy Romance Parisian Honeymoon Cottage” in Colorado is the perfect option for lovebirds. In addition to the comfortable bed and beautiful decor, there is a small, beautiful, private garden where you can have a glass of wine with your partner and watch the changing colors of the gorgeous sunset.
The weather in RMNP is highly variable. To avoid being caught off-guard, pay attention to the weather report (especially afternoon thunderstorms in the summer or heavy snow during the winter). The NPS also warns that wintertime visitors planning on cross-country skiing should be aware of the risks of avalanches, and should consider completing an avalanche training from places like the Colorado Avalanche Information Center before hitting the trails. For more safety tips, consult the NPS website .
A nature lover’s paradise, Colorado is filled to the brim with beautiful landscapes, offering travelers over 300 days of sunshine to come and explore its diverse areas. From the majestic Rocky Mountains to picturesque prairies and cosmopolitan cities, Colorado is surrounded by vibrant outdoor attractions, diverse wildlife and scenic byways just begging to be explored. Whether you hit the slopes at a luxury ski resort, hike the trails at a National Park or take a scenic drive through the countryside, Colorado has so many great things to see and do throughout the year. Perfect for families, couples and solo travelers who are looking for an outdoor adventure, read on to discover the best places to vacation in Colorado.
Loveland, dubbed as the ‘Sweetheart City’ and known nationwide for its Valentine’s Day Love Stamp Program, is near the college town of Fort Collins in northern Colorado. Rent a charmingly restored 1903 Victorian cottage for your love nest, or snuggle together in a neighborhood home just minutes from hiking in the Rocky Mountain National Park. A visit to the Sweetheart City Winery is a great opportunity to sample some local wines while checking out original oil paintings inspired by a trip to Tuscany. Voted by locals as one of the most romantic places in Loveland, South Shore Parkway is certain to aid in a stolen kiss or two. Sample small plates and incredible desserts at Door 222 Food and Drink, a downtown gem not to be missed.

Located in a quiet, residential alpine setting, guests can spread out and explore the surroundings. Numerous balconies and decks have unobstructed views of the Gore Mountain Range, and the large private back yard with charming stone patio and massive outdoor gas fire pit is perfect for Après-ski gatherings. During warmer months, revel in the beauty and tranquility of the fanciful waterfall feature and perennial gardens, and walk up the mountainside on the fantastic stone switchback trail leading to several stone belvederes, each with increasingly magnificent and unobstructed views of the Vail Valley.
Loveland is called so for a reason. Romantic getaways in Colorado are blessed with vast views of Big Thompson Canyon and its inhabitants – sheep, deer, and the odd eagle. Don't miss out on Loveland Brewery, which is a bastion of Colorado's brew culture. Meanwhile, Telluride is overlooked by sky piercing peaks and retains a sense of seclusion from the outside world, making it ideal for weekend getaways in Colorado for couples. Mountain Village presents visitors with a horde of glittering attractions, while a charming "free box" is still used to exchange items.
The Experience: Hanging Lake in Glenwood Canyon is a summer dream (though it's also incredibly breathtaking in winter when the cascading water freezes). The Colorado River snakes through the center of town, and there's plenty to do outside of this park, making it a lovely destination on its own, but you can also make it a day trip if you're staying in Aspen.

Every summer, Aspen gets taken over by classic music lovers during the renowned Aspen Music Festival and School with more than 300 concerts. Learn about Aspen from Dean Weiler during one of his popular Aspen Walking Tours and pay respect to John Denver at the John Denver Sanctuary you will pass by while hiking the picturesque Rio Grande Trail. Next read: best Aspen restaurants.


Louisville is conveniently situated between Denver and Boulder, offering visitors an attractive weekend getaway destination with a distinctive American small-town feel. You can stroll through the historic Old Town, where several historic buildings now house modern shops, restaurants and businesses. Downtown is also home to the Louisville Art District, which is packed with galleries, studios and hosts a monthly First Friday Art Walk. Live music and theater is popular and you can catch a concert at the Center Stage Theatre Company or the Coal Creek Community Theater. Outdoor activities include walking, hiking, biking and ice skating, while nearby Boulder offers many additional cultural and outdoor attractions.
The park was designated a World Biosphere Reserve by the United Nations in 1976 to protect its natural resources.[67][68] The park's biodiversity includes afforestation and reforestation, ecology, inland bodies of water, and mammals, while its ecosystems are managed for nature conservation, environmental education and public recreation purposes.[67] The areas of research and monitoring include ungulate ecology and management, high-altitude revegetation, global change, acid precipitation effects, and aquatic ecology and management.[67]

The St. Regis Aspen Resort offers five star service, access to ski lifts, shops and restaurants. Relax next to the indoor and outdoor pools, visit the spa and fitness center. If you are planning a winter vacation, ski in the Aspen Highlands Ski Area, Buttermilk, and Snowmass. Each ski resort offers a ski school and skiing for all ability levels. During the summer, the town offers numerous vacation activities for outdoor enthusiasts, including fly fishing, mountain biking, whitewater rafting, and horseback riding. The hotel provides two to four hour backcountry hiking excursions led by experienced guides where guests can admire wildflowers and trees.
With stunning Colorado surroundings and easy access to a national park, a visit to an Estes Park vacation rental will capture the whole family's imagination. Sitting at 7,522 feet above sea level, this town is a favorite Colorado getaway due to its proximity to the Rocky Mountain National Park, landmarks such as the historic Stanley Hotel, and a variety of galleries and family-friendly museums that are well worth a visit. Whether you're visiting in the summer or winter, our Estes Park cabin rentals are the perfect setting for an unforgettable trip. 
Use filters and find an offer matching your requirements among the 24,313 properties in Michigan. Many accommodations in Michigan provide "TVs" or "internet," which makes it a fantastic vacation destination if you never miss an episode of your favorite show or you need internet access during your vacation. You can also find a property in Michigan if you want to sweat it out in a sauna as 375 of the rentals there offer "saunas."
Estes Park is home to the headquarters of the Rocky Mountain National Park, and for many visitors, it’s the first stop en route to a Rocky Mountain vacation. Find yourself passing through to pick up maps and check trail conditions, or stay for a weekend getaway that offers unbeatable access to the Rockies, meaning you can hike all day and dine and unwind at night. The lively town has plenty of entertainment like the downtown Riverwalk,  Aspen and Evergreen Gallery, and the historic Stanley Hotel.
Known as a world-class ski destination, Aspen is beautiful year around and offers activities and attractions for all ages. Skiers can challenge their skills on the magnificent steeps, slopes and glades of Aspen Mountain or Ajax, on rugged Aspen Highlands or enormous Snowmass. Take a 14 minute ride with the Silver Queen Gondola to the top of Ajax Mountain for the spectacular views of the mountain peaks, the city below and tall evergreens all around you. There are bluegrass concerts on Sundays.
ItineraryThis is a typical itinerary for this productStop At: Images of Rocky Mountain National Park, Estes Park, ColoradoEnjoy winter in all its beauty and head for the mountains on this incredible 8-hour tour to Rocky Mountain National Park. Around each corner are breathtaking views, alpine lakes and wildlife in a serene setting. Wintertime is the perfect to head to the park as the snow capped mountains are truly breathtaking with the peace and tranquility the mountains have to offer.Duration: 5 hours
In Michigan, more than half of the 24,313 accommodations are house rentals, which represent 53.55% of its available accommodations. In addition, these properties have a median size of 1,840 ft² as well as cost, on average, $332 a night. Moreover, these properties are optimal for 8 as that is the average number of vacationers house rentals can host in Michigan. If you are searching for another type of accommodation, you can look for many other offers, such as hotel rooms, which are the other very popular type of property in Michigan. While house rentals in Michigan have an average size of 1,840 ft², hotel rooms have an average size of 420 ft².
Surrounded by over 100,000 acres of the Pike National Forest, the Ranch at Emerald Valley is an unmatched, all-inclusive retreat that combines the rustic charm of a wilderness enclave with The Broadmoor’s incomparable luxury and service. Honeymooners can indulge in one of 10 beautifully appointed cabins, featuring gas fireplaces, rich furnishings, and modern amenities. Couples can spend their days fly fishing in pristine mountain lakes, hiking and biking along scenic trails or exploring the mountains on horseback. Afterward, unwind by soaking in an outdoor hot tub and sipping fine wine on a panoramic terrace while enjoying the beauty of a Rocky Mountain sunset. All meals and ranch activities are included as part of the stay, making it an ideal setting for intimate getaways where every detail is thoughtfully handled.
The weather in RMNP is extreme—and unpredictable. Ranging from snowstorms in the winter to hot, clear days in the summer, Rocky Mountain’s got it all. Summer is quick—just July and August—but beautiful, as temperature ranges from 40s at night and up to the 80s during the day. The rest of the year, expect snow at most elevations, and definitely up on Trail Ridge Road.
Ready to get romantic?  Stop in and enjoy the Armstrong’s on-site speakeasy-era jazz club,  Ace Gillett’s Lounge, located in the basement of the Armstrong Hotel. An underground shadowy enclave with nearly 100 years of history, order from their signature drink of martinis, wine and local brews, and kick back with your sweetheart in two cozy rooms featuring live jazz music 4 nights a week.
Buena Vista is an historic mining and railroad town that resoundingly lives up to its Spanish name meaning “good views” – you are surrounded by towering mountain peaks that provide a wonderful year-round playground for adventure seekers. The area boasts some of the best river rafting adventures in the country and you can also go hiking, biking, horseback riding, fishing and zip-lining.
Situated in Southern Colorado, the Great Sand Dunes National Park is an impressive sight. Shaped by winds blowing from and against the nearby Sangre de Cristo Mountains, the piles of sand climb to more than 750 feet (230 meters), making them the tallest dunes in North America. Sand-boarding, skiing and sledding on the dunes are the park’s most popular activities, and there are medium-size slopes to slide on located near the main parking area. A longer hike to the north brings thrill seekers to a 300-foot (90 meter) slope that tumbles onto into Medano Creek.
The Pierre Shale formation was deposited during the Paleogene and Cretaceous periods about 70 million years ago. The region was covered by a deep sea—the Cretaceous Western Interior Seaway—which deposited massive amounts of shale on the seabed. Both the thick stratum of shale and embedded marine life fossils—including ammonites and skeletons of fish and such marine reptiles as mosasaurs, plesiosaurs, and extinct species of sea turtles, along with rare dinosaur and bird remains—were created during this time period. The area now known as Colorado was eventually transformed from being at the bottom of an ocean to dry land again, giving yield to another fossiliferous rock layer known as the Denver Formation.[58] 
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