Colorado's only true geyser is hidden within the San Juan National Forest.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

Community owned and operated, this property is home to a diverse set of nudists.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

The largest self-built castle in the U.S., six decades in the making.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

The highest bridge in America was built for an almost unnervingly small amount of money.

When ecosystems collide in the arid Southwest.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.