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]
Hilton Denver Inverness in Englewood is set at the foot of the Rocky Mountains. Located 20 minutes from Denver, the resort is a fun weekend getaway. Hotel activities include golf, tennis, walking and jogging. There is also an indoor and outdoor swimming pool, whirlpools, saunas and massage services. The Golf Course is a 18-hole PGA championship course, open an average of 300 days per year. There are 284 luxury guest rooms and 18 suites. The 32 Club Floor Rooms offer exclusive access to the Mountain View Lounge for continental breakfast, and scenic views of the Rocky Mountains from the top floor of the hotel.
Below 9,400 feet (2,865 m), temperatures are often moderate, although nighttime temperatures are cool, as is typical of mountain weather.[49] Spring comes to the montane area by early May, when wildflowers begin to bloom. Spring weather is subject to unpredictable changes in temperature and precipitation, with potential for snow along trails through May.[49] In July and August, temperatures are generally in the 70s or 80s °F during the day, and as low as the 40s °F at night.[49] Lower elevations receive rain as most of their summer precipitation.[48]
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.
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. 
The A.R. Mitchell Museum of Western Art and the many galleries in the creative district are bound to thrill art lovers, while the Southern Colorado Repertory Theater provides live entertainment. Outdoor enthusiasts can go camping, fishing, hiking and boating in the Trinidad Lake State Park, seek dinosaur tracks in the Comanche National Grassland, or go trout fishing on the Purgatoire River.
Situated on Vail Square, The Arrabelle sets the standard for luxurious lodging, while its jaw-dropping setting reflects the romantic heritage and ambiance of the European Alps. Here you’ll find architectural touches of Salzburg, Innsbruck and Prague, along with high-end amenities such as personal butler service, ski valet and even grocery delivery. Look forward to heading to the rooftop for laps in the pool and soaking in the whirlpool together while taking in magnificent Rocky Mountain views. You can also relax and unwind together while indulging in treatments at the property’s RockResorts Spa, which offers even more stunning Rockies vistas. Each one of the spacious suites host impressive features like a living room area with a fireplace, ideal for toasting to your new life together while cuddling up next to its warmth.
When it’s your turn for some pampering, escape to Smith Fork Ranch in Crawford within the secluded Gunnison National Forest, where romance and relaxation are as big of a priority as adventure. Indulge in sumptuous open-air massages, luxe cabins and candlelight dinners featuring farm-to-table cuisine from the ranch’s organic homestead. During adult weeks in September and October, activities range from archery to fly-fishing, if you’re not too busy taking it easy.
Located off Lift 8 on Hook em’ Horns, the Ginny Lee Cabin offers skiers & snowboarders a place to hang out on the far north side of the mountain. Newly built in 2014 and named after Virginia Upham, Ginny Lee is quickly becoming one of the favorite cabins on the mountain. Be sure to check out the new Tommyknocker’s Ginny Lee IPA brewed only for Loveland Ski Area.
And when it’s time to book your weekend trip to Colorado, consider a vacation rental as your accommodation. Whether you prefer an urban loft, slopeside home, or mountain chalet, TripAdvisor offers a wide variety of different rentals across the state. You’ll be treated to homey amenities such as a full kitchen, laundry, and even perhaps a fireplace and Jacuzzi for those chilly Colorado nights!
What makes a stay in an Estes Park cabin such an unforgettable experience is the stunning landscape in which the cabins are built. Not only do you have amazing views, but the cabins are incorporated in such a way that you can experience the nature right outside your front door. Estes Park offers all kinds of outdoor activities, from geocaching to rock climbing and whitewater rafting.
Offering visitors a myriad of outdoor activities to choose from, Steamboat Springs is a fun-filled vacation destination for all types of travelers. While skiing and snowboarding at Mount Werner are the city’s biggest draws, visitors can also explore its vibrant cultural scene at the Steamboat Symphony Orchestra or the Steamboat Art Museum. Take a day to soak in the hot mineral springs at Old Town Hot Springs or Strawberry Park Hot Springs, go for a 360-degree mountain view gondola ride to the top of Mount Werner, or soak in the breathtaking waterfall views at Fish Creek Falls. Summertime is perfect for tubing on the Yampa River, where visitors can hike to iconic landmarks like Rabbits Ears or try their hand at trout fishing along the river.
Colorado's biggest city is also its cultural hub. While you can go just about anywhere in Colorado to find outdoor adventures galore, in Denver you get the best of both worlds. The city is filled with top-notch museums, lively sports venues, prime shopping streets and an unmatched brewery scene. Meanwhile, just outside city limits, travelers have easy access to the Rockies as well as the photogenic Mount Evans Scenic Byway. Read More »
Located at the eastern foot of the Rocky Mountains, Colorado Springs has multiple attractions, ranging from museums and parks to trains and a zoo. It is within close proximity to Pikes Peak, a landmark in the Pike National Forest. The Garden of the Gods park is also located in Colorado Springs and features red sandstone formations and stunning mountain views.
