America's only nuclear missile silo open to the public.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

This balancing rock is one of Utah's most unusual geological formations.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

See massive fossils that are over 200 million years old in northeastern Arizona.

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

Take a dip in the world's largest mineral hot springs pool.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

This vintage theme park is peak Christmas kitsch—and it's open all summer.

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

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

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

Possibly the world's only drive-in movie theater with an attached motel.

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

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

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

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

Once named the “world’s oldest gas station” due to its unusual construction material.

Massive still life just off the highway in Kansas.

Meet Rita the Rock Planter, one of Danish sculptor Thomas Dambo's enormous wooden trolls.