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

Victorian "Fancy Craft" Hair Wreaths and Relics.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

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

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

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

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

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

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

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

The first declared National Monument in the United States.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

An experimental, automotive replica of Stonehenge.

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

When ecosystems collide in the arid Southwest.

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