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]
Explore the nearby great outdoors at the Horsetooth Mountain Open Space or get your adrenaline pumping by rafting on Cache La Poudre River with the Mountain Whitewater Descents Company. Visit Global Village Museum of Arts and Cultures to learn about folk art from all over the world. Take the kids to the Farm at Lee Martinez Park to learn about the farm life and play with baby farm animals.
Northern New MexicoRed River, New Mexico! A place where fresh powder winters meet refreshing summer days. Red River offers something for everyone with its convenient scenic location in the heart of Northern New Mexico’s Enchanted Circle. Red River is the place that awakens us each day by the soothing sound of a rushing river and then again each evening as the sun sets over main street. The mountain town of Red River is New Mexico True.

My mind calm, the knitting absorbed any excess energy and left my senses free to absorb the stunning surroundings. Feeling no need to move, I watched the silhouettes of fish moving upstream, hummingbirds zip over my head, and a northern harrier cruise over the grassland, looking for prey. Months later, I can imagine every detail of that spot on the bank anytime I close my eyes.

Beginning in Durango, the San Juan Skyway Scenic Byway is a complete loop that will take you up to Silverton, along the Million Dollar Highway to Ouray, over to Placerville, south to Telluride, Dolores, Mancos, and back to Durango. If you have less time or are only planning on heading in one direction, you can do the Silverton to Ouray section beginning from Durango, up to Silverton, over the Million Dollar Highway to Ouray, and beyond to Montrose or further north to Grand Junction.
Grand Lake is arguably the biggest attraction in the town of Grand Lake, offering boating, sailing, fishing, swimming, kayaking and yachting – it even hosts a Regatta Week in early August. This is also where you’ll find the biggest Fourth of July fireworks display in all of Colorado, as well as a wealth of popular tourist spots like candy shops, old time photo galleries and saloons, an array of gift shops and even mini-golf courses. Plus, as it sits near the western entrance of Rocky Mountain National Park, you’ll be steps away from one of the country’s most spectacular wildlife-filled parks too.
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]

The Experience: Everywhere you look in Aspen, the views will take your breath away, especially if you stay at the historic Hotel Jerome. It's the ultimate mountain resort town every time of year, with world-class shopping, delicious food spots, and, as we mentioned, gorgeous scenery. Ski in Snowmass or Highland Bowl. In the summer, try to plan your trip to attend the wine and food festival or the annual jazz festival. Catch a show at Belly Up, party on the mountain at Cloud Nine, eat at Matsuhisa, or cross-country ski to dinner at the remote Pine Creek Lodge.
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 small town in the southwest corner of Colorado, Durango offers visitors a wealth of fun-filled activities to fill up a weekend away. Explore the downtown area to see a National Historic District lined with charming shops, eateries and hotels in 19th-century buildings. The area also boasts an array of outdoor adventures, including excellent opportunities to hike, bike, fish, while those wanting to kick it up a notch can also indulge in snowboarding, horseback riding and white water rafting. A ride on the famous Durango & Silverton Narrow Gauge Railroad is a must, where visitors can soak in breathtaking mountain views from a steam-powered engine train.
With a diverse landscape of desert, snow covered mountains and river canyons, Colorado is an outdoor enthusiast’s dream. It is home to modern cities like Denver and Boulder, as well as numerous skiing and snowboarding destinations such as Vail and Aspen. A family-friendly destination, Colorado is an excellent year-round destination that has a variety of fun things to do and see, from hot springs and outdoor activities to world-class restaurants, museums and more. If you’re planning an upcoming trip to the Rocky Mountain state, these are 10 of the most popular Colorado vacation rental destinations that you need to check out.
The Royal Gorge Bridge & Park – Just a few minutes away from Echo Canyon River Expeditions office, you’ll find Colorado’s Natural Wonder – the Royal Gorge. In 1929, the Royal Gorge Bridge was built across the gorge and still stands as one of the world’s greatest engineering feats. Buy tickets online or as a rafting package to save a few dollars. The newly rebuilt attractions and visitor’s center enhance your experience of this amazing chasm and expansive view of the Wet Mountain range. There are also trails, located just before the gates of the park at the rest area, that allow visitors to walk or bike a few miles along the rim of the Gorge. 
The Signature Jill's Restaurant has an outdoor terrace with mountain views and serves contemporary American & French cuisine with organic ingredients. The T-Zero Lounge serves signature martinis, cocktails and fine wine. Live entertainment is offered almost every night. If you are celebrating a special occasion, the private dining room can seat up to 25 guests. The terrace can be reserved for private parties in the summer. Room rates start at $249 per night. Things to Do in Boulder
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.
With over 1,800 acres of skiable terrain in Beaver Creek, it’s no wonder this resort town is a top choice for a weekend trip in Colorado. Beaver Creek is home to the Birds of Prey downhill course, too—a difficult run that’s often included in World Cup races in early December. Not up to the challenge? No worries. There’s plenty more to do like catching a show at the Vilar Performing Arts Center or hanging out at the Beaver Creek Resort. Swing by in the afternoon for a taste of their fresh-baked (and free) chocolate chip cookies. 
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