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

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

A Mars simulation in the southern Utah desert.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

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

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

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

A cemetery full of touching tombstones from a community of railroad workers, uranium miners, and Cold War missile launchers.

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

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

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Even in death, he's still your huckleberry.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Legends surround this jagged rock formation in the New Mexico desert.

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

This spectacular track has run continuously since 1882.