This Colorado gallery is primarily for cars, but its collection also includes quilts, pottery, and more.

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

The language and heritage of a nearly forgotten culture can still be explored in this Southern enclave.

On Hilton Head Island this bronze King of the Sea rules all things briny—and lets you know if you’re late for lunch.

The remains of a chapel created for convenience.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

A fascinating aviation museum where you can chat with the veterans who once flew the aircraft on display.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

One part local history, 99 parts gruesome haunted house.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The museum chronicling a treasure hunter's dream, fulfilled.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

The world's longest known cave system.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The prototype for all Nazi concentration camps.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

The secret city built by the Manhattan Project.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

This modest marker near Notre Dame identifies the very center of Paris.

A museum to a cave explorer whose tragic death was a media sensation, and whose corpse became a tourist attraction.