The Rocky Mountains are the birthplace of the Arkansas River, the most popular river in the United States. It is also perfect for white water rafting, whether you want to go for a half day, or turn it into a multi-day trip extravaganza. There are many different rafting routes depending on your level of expertise, from family-friendly to expert Class IV.
The Denver Art Museum is a world-class conservatory of over 70,000 works of art from around the world and in varied media. It has an excellent collection of American Indian art, which represents nearly every tribe across North America, and has the world’s foremost collection of American West art. Lovers of European art will be delighted by its inclusion of works by Monet, Degas, Renoir, Cezanne, and Pissarro.
The Annual Flower Trial Garden is a devoted horticultural research garden on the campus of Fort Collins' Colorado State University, open to the public throughout the year near the campus' Center for the Arts. The garden strives to serve as a trial space for the performance of annual plant cultivars in the region's high-altitude Rocky Mountain environmental conditions, with primary annual plantings on display between late May and mid-October. Plant varieties are grouped by genus and arranged by color, with more than 1,000 different cultivars typically on display each year. In addition to the main annual showcase, the garden also presented an annual pansy display, which is planted in fall and on display through the early spring. Perennials cultivated by the garden are also on display year-round across the street from the garden facility.
The multi-tower buildings are still well preserved after eight hundred years, and seeing them is worth driving to the remote location on the Colorado/Utah border. Dogs are welcome on the hiking trails. The Square Tower Group has a small interpretative center, and rangers are available throughout the park to answer questions and give guidance. Hovenweep has a primitive 31-site campground that fills up on a first-come, first-served basis.
The castle continued to grow and eventually become known as the Bishop Castle. As the Castle grew larger, it gained popularity. Throughout the years, volunteers would verbally agree to help Bishop build the castle, but they would never show up. Eventually, Bishop stopped seeking out volunteer builders and decided to finish the castle by himself. The Bishop Castle is known as the country’s largest castle that was built by one man.
Vail is a tiny town at the foot of the Vail Mountains and nestled in the White River National Forest. The picturesque town is a prime ski resort destination in the winter, but also provides ample entertainment in the summer. Vail also has a creek that literally runs through town – follow the winding curves of Gore Creek on a walk some peaceful afternoon.

It is a place of wonder, especially considering that Jim Bishop himself has laid every stone and worked every piece of wrought iron. Bishop Castle is open every day, and admission is always free, although there is a donation box if you wish to contribute. Construction is ongoing and not sealed off; parents are advised to keep a close eye on their youngsters while at the castle.
Still haven’t packed enough into your Colorado vacation? Make time to see some of the great Colorado mountain attractions — tour a ghost town near Aspen, sail above the mountains in a balloon over Breckenridge, rock out at a music festival in Telluride, check out the nightlife scene in Vail and try your luck at a casino in Black Hawk, Central City or Cripple Creek.
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