An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

These fantastically named natural pools look like something out of a Scottish myth.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

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

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A magical place that lets you play in and explore the world of Studio Ghibli.

A kaleidoscopic warehouse-maze of handmade neon signs.

A crumbling hospital from the 1850s on Roosevelt Island.

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A terrific purveyor of natural history objects and curios.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

Atop this media building, two hives containing more than 30,000 bees keep the surrounding area vibrant.

A public art jibe at one of the United States’ oldest and longest-serving senators.

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.

This poor little statue is the most vandalized memorial in Washington.

A historic ruin just 20 feet away from a busy highway onramp.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.