An abandoned logging settlement nestled in the woods near a popular ski town.

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

A lavish 16th-century mansion filled with spectacular staircases, fantastic frescoes, and gorgeous gardens.

Despite what a Thai tourism board might want you to think, this white-sand beach is in fact located on a Scottish island.

A regular looking rock with an unbelievable history.

The location of the Bridge of Death and the Gorge of Eternal Peril in "Monty Python and the Holy Grail."

A devilishly named gorge that was a sign of salvation for many pioneers.

A long-forgotten Victorian swimming hole is still a fun spot for a dip.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A frozen oasis lies beneath the scorching New Mexico desert.

A creek tumbles over a series of step-like rocks to create this scenic water feature.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

A former utopian healing center created by a huckster and built by derelicts.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

At this 1940s-era neighborhood favorite, you can still drink a cherry phosphate.

One of the most extensive and well-preserved collections of dinosaur footprints in North America.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

An abandoned castle owned and ignored by Masons carries a cursed history.

Napa's oldest building is now a Mexican restaurant.

Founded in 1873 to support the needs of the gold mines flourishing nearby, this is the last water-powered foundry in the United States.

This cabin once belonged to one of California's original settlers.

A sparse, solitary sequoia still stands as a living tribute to the famous conservationist who planted it—but it's dying.