Natural sonic phenomenon comes with a grisly legend of murder and blood.

The building stands within a quiet, postcard-perfect New Mexico village.

Spectacular 300-foot cliffs in a lush mountain canyon.

An unconventional monument to one of America's largest landowners.

All that remains of this abandoned coal town is a beautiful, haunting cemetery.

This small piece of railroad history sits behind the parking lot of a chain grocery store.

A mental health hospital dating back more than 139 years, now features a museum.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

The largest source of fossilized insects anywhere.

An innovative local park built from an abandoned sewage treatment plant.

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

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

Explore Zimbabwean art in the heart of Colorado.

The famous aviator's final resting place is a study in natural beauty.

A beautiful combination of living flora with preserved bones covers the shelves of this shop.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

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

More than 100 steam and diesel locomotives bring Colorado’s rail heritage to life.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

A Buddhist monastery tucked away in the mountains of Colorado.

A once-thriving hotel from the Old West now sits abandoned, under the threat of demolition.

This Colorado fire station has been in continuous operation for more than a century.