Glacial geology in Rocky Mountain National Park can be seen from the mountain peaks to the valley floors. Ice is a powerful sculptor of this natural environment and large masses of moving ice are the most powerful tools. Telltale marks of giant glaciers can be seen all throughout the park. Streams and glaciations during the Quaternary period cut through the older sediment, creating mesa tops and alluvial plains, and revealing the present Rocky Mountains.[61] The glaciation removed as much as 5,000 feet (1,500 m) of sedimentary rocks from earlier inland sea deposits. This erosion exposed the basement rock of the Ancestral Rockies. Evidence of the uplifting and erosion can be found on the way to Rocky Mountain National Park in the hogbacks of the Front Range foothills.[60] Many sedimentary rocks from the Paleozoic and Mesozoic eras exist in the basins surrounding the park.[62]
You can climb and slide on the dunes or test your boarding skills cruising down the sand. On hot days, children and even adults enjoy splashing around in the Medano Creek that runs along the base of the dunes. Hiking trails run through the forest on the edge of the dunes. The four-wheel drive Medano Pass Primitive Road opens up some unique terrain, and car camping sites are located along the roadside. Regular camping is available at the Pinon Flats campground, which offers both tent and RV campsites.
The best part of a staycation is you can completely tailor it to your needs. Whether you’re looking to stay in and relax or seize the night life, experiencing your city free from the distractions of home is priceless. Hotel Tonight  caters to late bookers looking for the best deals and Airbnb  is a great option if you’re looking for more space. Don’t forget to switch your phone to airplane mode. You’re on vacation after all!
There are multiple scenic trails to hike and challenging cycling paths to discover as well as many more activities like zip-lining and horseback riding. You can explore the history and architecture of historic sites like Miramont Castle and Manitou Cliff Dwellings, visit the Manitou Springs Heritage Center, or enjoy some pampering at a day spa before catching a show at the Iron Springs Chateau Melodrama Theatre.
Brown’s Canyon National Monument – It’s one of Colorado’s newest national monuments, and also one of it’s most beautiful. A pristine, natural canyon, Brown’s Canyon offers visitors the opportunity to hike, raft, or camp in the headwaters of the Arkansas River. Towering ponderosa pine trees and monolithic boulders greet you along this amazing stretch of white water. We may be biased, but we think the best way to see it is by raft. There is also fantastic camping along the river at various locations. Browns’ Canyon is also close to the small town of Nathrop, which offers a number of hot-springs resorts that are perfect for relaxing after a day of adventuring, including Antero Hot Springs Cabins, Mt. Princeton Hot Springs Resort, and Cottonwood Hot Springs.
Dinosaur National Monument, in northwest Colorado, combines dramatic scenery with natural and cultural history to create one of Colorado's most interesting sites. Dinosaur remains embedded in exposed rock walls reveal evidence of the giants that once roamed these areas. Petroglyphs offer insight into the cultures and people that lived here long ago, and surrounding it all are cliff walls and the Green and Yampa Rivers snaking through the otherwise dry landscape. 

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. 
A spectacular scenic drive stretches from the old mining town of Silverton, to the town of Ouray, along what is called the Million Dollar Highway. This is a 46-kilometer two-lane highway that hugs the mountainside in places and looks out over jaw-dropping cliffs and across valleys to inspiring mountain peaks. It is one of the most spectacular mountain drives in Colorado. If you have time, you can extend this into a longer route and drive the San Juan Skyway Scenic Byway. The Skyway is a full-day trip that you will want to do in good weather, but can be done in winter or summer.
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.
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.
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