The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

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

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.

Victorian "Fancy Craft" Hair Wreaths and Relics.

The site where a nuclear bomb was lowered over 8,000 feet underground and detonated as an experiment in natural gas extraction.

Final resting place of a 19th century gold prospector and convicted cannibal.

A lively annual event in which thousands of people race to push coffins heavy with bodies up a hill.

The wreckage of a World War II bomber is hidden high in the Colorado wilderness.

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

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

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

A roadside attraction filled with an astounding array of gloriously wacky vehicles.

A prehistoric rock shelter that's literally in someone's backyard.

Antique automobiles, phonographs, organs, and farm equipment.

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

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

Central City celebrates its most famous madam by racing beds down Main Street.