A dangerous narrow-gauge railroad once traced a route through this striking canyon.

This National Natural Landmark is one of the best examples of a “mass wasting” in the world.

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

The final resting place of a 19th-century gold prospector and convicted cannibal.

A fake mine that was made using real mining techniques which is also used as a community center.

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

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

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

When ecosystems collide in the arid Southwest.

This spectacular track has run continuously since 1882.

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

Strange red rock formations that have been attributed to a higher power for hundreds of years.

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

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

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

Is this 47.7-mile stretch of highway the longest straight road in the United States?

The only remaining sod house Oklahoma built by a homesteader in 1894.

Site of the 1926 murder trial of Ernest Burkhart who was involved in the "Reign of Terror."