A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

This freshwater spring fills with 10,000 gallons of water per minute.

Ancient cliffs resembling a kilt on Scotland’s second-largest island emit an entrancing sound.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

This Costa Rican topiary park is a surreal garden of unearthly delights.

Sloth rehabilitation center in the jungle of Costa Rica.

Scattered ruins and a tiny cemetery are all that remain of a failed attempt to colonize the inhospitable Desolate Islands.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A kaleidoscopic warehouse-maze of handmade neon signs.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Robot jockeys ride their humped mounts to victory as part of a 21st-century twist on an ancient desert sport.

The building is a gigantic piece of art inspired by the shape of a desert rose.

Some 20,000 dust-covered unwanted vehicles languish in the desert.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

They squeal, they nosh, they look like predators.

One of the deepest blue holes in the world.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.