In the shadow of Great Sand Dunes National Park and Pre­serve, the quirky town of Hooper sits atop a natural artesian hot spring, with water flowing year-round into the family-friendly Sand Dunes Pool. On the same property, The Greenhouse is an all-indoor, all-adult oasis with three small soaking tubs and a 10-by-75-foot zero-entry pool. The Greenhouse also has a 10-person sauna, indoor gardens and an onsite bar to help you stay even toastier. 
One of the most historic hotels in Denver, the Oxford Hotel, is cozy and sultry, perfect for a time-traveling escape within the bustling city. The lush lobby sets the scene for the guest rooms, which seamlessly bring antique charm into comfort. Grab a cocktail in the red-illuminated Cruise Room on the main floor, and book a couple's massage in the on-site spa. Another especially lovely treatment is a milk bath in a clawfoot tub.
Denver is the capital of Colorado and it perfectly reflects the diversity of the state, offering visitors of all ages virtually unlimited attractions to suit all interests. You can visit several art museums, including the Denver Art Museum and the Museum of Contemporary Art Denver, and there are several art districts filled with galleries to thrill and delight all art lovers.
Considered the base camp for the Rocky Mountain National Park, Estes Park is less than a 2-hour drive from Denver. Located near the east entrance to the Rocky Mountain National Park, Estes Park is a quiet area surrounded by protected land. Here you’ll find pristine wilderness with a myriad of both indoor and outdoor activities, from scenic hikes and bike trails to wine tasting and spa treatments. Take the Estes Park Aerial Tramway to the top of a small peak and soak in breathtaking panoramic views of the valley and downtown area, take a walk along the Riverwalk in Downtown Estes Park or take the kids to the Estes Park Ride-A-Kart & Cascade Creek Mini-Golf.
Early to mid-summer brings endless fields of wildflowers to the Rocky Mountains, and you'll find plenty of backroads throughout the state where you can take in the view. Take a four-day drive from Denver to Aspen. The route initially heads north through Boulder up to Rocky Mountain National Park. Visit the alpine town of Estes Park and stay in the Stanley Hotel, featured in the movie, "The Shining." You'll see long-forgotten ghost towns, the tallest mountain in the state and more than 200 species of flowers from mid-June through early August. You'll also find scenic backroads in the southern part of the state winding through the San Juan and Sangre de Cristo Mountains.
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.
Settle into a cozy log cabin on Chicago Creek in Idaho Springs. An iconic historical marker, a water wheel that powered a stamp mill, is visible from US 6 and US 40. Idaho Springs abounds with places to hike, ride, view wildlife, or do some birding. In the winter, take some easy ski runs at the Echo Mountain Resort. Drive up the 14-mile-long Mount Evans road, the highest paved road in America, and enjoy the surrounding landscapes from 14,200 feet above sea level. When it’s time to relax, head over to the geothermal springs and caves at Indian Springs Resort.

The Experience: Denver is the perfect urban adventure for anyone who likes midsize cities. It's easy to navigate and manage and doesn't feel at all claustrophobic, but offers endless cultural excursions, gourmet dining experiences, and a fun nightlife you'd expect from large cities. Make sure you visit the Denver Art Museum, check out the breweries in the RiNo neighborhood, and stay at the Crawford Hotel, which is in the old Denver Union Station. For a boutique hotel, stay at The Maven Hotel.
Experience diverse ecosystems during your visit to Estes Park, your jumping-off point for Rocky Mountain National Park, which offers many things to do, from guided tours and camping to hikes and stargazing. It’s a great place for solo travelers, as well as families and those traveling with larger groups. Fun activities available include mountain biking, kayaking, going horseback riding, as well as miniature golf, rodeos and amusement parks, to name a few.
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.
From 9,000 ft (2,700 m) to 11,000 ft (3,400 m),[72] the montane forests give way to subalpine forests.[69] Forests of fir and Engelmann spruce cover the mountainsides in subalpine areas. Trees grow straight and tall in the lower subalpine forests, but become shorter and more deformed the nearer they are to the tree line.[72] At the tree line, seedlings may germinate on the lee side of rocks and grow only as high as the rock provides wind protection, with any further growth being more horizontal than vertical. The low growth of dense trees is called krummholz, which may become well-established and live for several hundred to a thousand years old.[72]
Above tree line, at approximately 11,000 ft (3,400 m), trees disappear and the vast alpine tundra takes over.[69] Over one third of the park resides above the tree line, an area which limits plant growth due to the cold climate and strong winds. The few plants that can survive under such extreme conditions are mostly perennials. Many alpine plants are dwarfed at high elevations, though their occasional blossoms may be full-sized.[73]
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