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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]

Home to the Lake Superior, Lake Michigan, Lake Huron, and part of Lake Erie, Michigan is rich in natural vegetation and beauty. Families looking for an adventure should explore the Upper Peninsula region that houses famous natural attractions such as the Porcupine Mountains, Pictured Rocks, Mackinac Island, Isle Royale, Tahquamenon Falls, and the Seney National Wildlife Refuge. Then there is the heavenly Lower Peninsula region with its placid lakes, rivers, forests, sand dunes and beaches. Canoeing, fishing, sailing, and motorboating are popular activities. You'll love returning to your Michigan cabin rental to unwind after an action-packed day exploring.

_{Colorado's scenic terrain draws millions of travelers looking to get swept up in its natural splendor. With a bevy of cities and towns, each with its own unique outdoor offerings, cultural attractions and general Colorado charm, it may be difficult to choose the best place for your next vacation. U.S. News took into account a number of factors, including the variety of attractions as well as the opinions of experts and travelers, to determine the Best Places to Visit in Colorado. Got a favorite? Cast your vote to help determine next year's list.} 
Putting my Rocky Mountain inspired rectangles away until February, I eventually knitted up the remaining pieces and ironed the whole thing out before I framed the simple square and placed it on my beige wall. Perhaps I needed the chill of winter to remind me of the brisk breeze of that famous mountain range, maybe I briefly tired of sweater and cardigan projects, captivated instead by the simplicity of knit-purl in straight lines.
^{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.}
Become immersed in Rocky’s pristine landscape on some of the park’s 355 miles of hiking trails. Choose from flat lakeside walks to steeper, more challenging mountain climbs. The easy .6-mile Bear Lake trail is a popular hike featuring an interpretive nature trail hugging a subalpine lake at the end of Bear Lake Road. For a stunning waterfall hike, make your way to Alberta Falls or Ouzel Falls.

No matter the season, Crested Butte is one of the best weekend getaways in Colorado. It has some of the region’s most challenging ski runs in the winter at the Nordic Center or Crested Butte Mountain Resort (plus beginner and intermediate-level options), and offers a mix of hiking and water sports in the summer. Feeling lazy? One of Crested Butte’s most popular activities is driving down Kebler Pass for stunning mountain views—no walking required. 

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.
No matter the season, Crested Butte is one of the best weekend getaways in Colorado. It has some of the region’s most challenging ski runs in the winter at the Nordic Center or Crested Butte Mountain Resort (plus beginner and intermediate-level options), and offers a mix of hiking and water sports in the summer. Feeling lazy? One of Crested Butte’s most popular activities is driving down Kebler Pass for stunning mountain views—no walking required.
_{The Centennial State is dotted with cool little towns, in the heart of the Rockies, as little as 1 hour and up to 3 hours from Denver. This is where I discovered the historic and romantic Palace Hotel in Salida, a boutique hotel that stole my heart — and it will do the same to you. Located steps from the banks of the Arkansas River, the newly renovated Palace Hotel is in a red-brick building located across from the Riverside Park. Think edgy Victorian and recycled furniture, an eclectic mix of old and new. Photovoltaic panels line the roof of the historic building, providing renewable electricity.}
The Stanley Hotel is a luxurious hotel in the heart of Estes Park in Colorado that combines a particular style and sophistication with rich colonial charm. Featuring deluxe resort lodging, an exclusive day spa and wellness center, and an array of adventures and activities for the whole family, this hotel is the ideal place for a year-round mountain vacation. Guests can choose from deluxe rooms and suites at the main hotel or accommodations next door at the newly remodeled 40-room boutique hotel called The Lodge.
_{Would you like to stay in a historic red barn, a former milk room, or an original historic log cabin and get an idea of how the original Colorado settlers lived? Converted to the luxury Four Mile Creek Bed and Breakfast, this former 1885 homestead is a quaint reminder of the area’s adventurous past. With its main lodge building, old converted barn, and two log cabins, the Bed and Breakfast today offers rustic luxury and unparalleled comfort. The rooms are furnished with antique pieces and fireplaces, with luxurious bathrooms featuring claw foot tubs, conveying a sense of times gone by while providing entirely modern comfort and amenities.}
Breckenridge is justifiably famous as one of the best ski resorts in the country, but spending a little time seeking out the off-piste charms of the town can be extremely rewarding. You can explore the thriving arts and culture scene or learn some Breckenridge history on a tour with a local expert – popular choices include the Historic Tour, the Haunted Tour and the Gold Mining Tour. In summer you can go hiking, biking, fishing, paddling and rafting, while in winter everyone heads to the slopes to enjoy world-class winter sport activities and ride the highest ski lift in the country. Things to Do in Breckenridge
There is a reason why this luxury resort is called Garden of the Gods: if the Gods lived in the resort, they would never want to leave because of its breathtaking beauty! This resort features a golf course and full spa. Spend a romantic day getting pampered or walking in the gardens. Later, you can treat yourselves to fine dining at Kissing Camels Grille, where you can enjoy fresh local ingredients used to prepare the superb meals.
^{Many of Arkansas’s cabins are located near areas that are popular for outdoor fun, including float and fishing streams, lakes, hiking and biking trails, national forests and state parks. However, you’ll also find cabins just beyond the bustle of the city, where you’ll also be close to dining options and exciting things to do. Blue Heron Campground & Resort offers rustic cabins right on the bank of the White River in the North Central region of Arkansas, making it a premier trout fishing spot. Or stay in a luxurious log cabin nestled in the Ozarks at Lake Forest Cabins Resort in Eureka Springs.} 
Say hello to the historical, chic and boutique – The Maven Hotel, just one block from Coors Field, between 18th and 19th Streets on Wazee in LoDo (Lower Downtown). The lobby sets the stage for a lovely stay with its chic boutique feel, and the lobby bar serves up throw-back “speakeasy” style drinks. Playful, modern, hip and just a fun place to stay, don’t miss an opportunity to stay at The Maven.
Just a few miles from the town of Estes Park, Rocky Mountain National Park is one of the most popular national parks in the United States. The soaring mountain peaks, alpine lakes and meadows, forests, and abundant wildlife showcase nature at its best. The park has more than 100 peaks over 10,000 feet, including Longs Peak, the highest in the park, at 14,259 feet.