Unlike most arches, this geological oddity formed in a volcanic dike.

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

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

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

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

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

A little-known hot spring haven right below the highway.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

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

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

Shrine to Japanese water-goblins, complete with their preserved body parts.

Not quite the menace it once was, this monster still has some chops.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

This former textile district now is now a thriving center for contemporary Chinese art.

The once highest point in China blends symbolic design with a kick of adrenaline.

This psychedelic tourist trap is a leisurely descent into madness.

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

Historic, 19th-century wagon wheel ruts cut into soft volcanic ash.

Hidden high on a remote mountain peak is a humbling and mysterious Vietnam War memorial.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

Open-air cremations in Colorado's self-proclaimed spiritual mecca.