An experimental, automotive replica of Stonehenge.

This museum offers an actual time machine back through Colorado's past.

This iconic science fiction house still looks like something from the future.

This hot dog-shaped diner has moved all around Colorado, never been to New York.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

Known as "The Hill of the Little Devils."

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

London's old-school healing garden.

Eighty million natural history specimens call this gargantuan museum home.

A massive sustainable farm designed by the mastermind behind Central Park.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The magic's in the hole!

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

This huge clock made of flowers and simple machinery was once used a political weapon.

These aggressively sustainable art homes look like something out of 1970's science fiction.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

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

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

When ecosystems collide in the arid Southwest.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

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