The location of the last witch trials of Italy, known as "The Salem of Europe."

An alchemist's "magic door" stands in the middle of a Roman park.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

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

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

Townhouse facade doubles as an RMS Titanic Memorial.

Commemorating the spot where the famous scientist fed his pigeons.

The famous author's cottage hideaway.

Nikola Tesla's former home contains an homage hidden from plain sight.

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

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

An unassuming secret door once led to a legendary watering hole.

Nondescript elevator doors open to reveal a stunning, surreal world.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

Become a prohibition rebel.

A dilapidated dock tells the story of Titanic's missed arrival.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Try not to get slimed in Tribeca.

Greenery cloaks this serene sculpture inspired by the famous Lost Gardens of Heligan.

The ruins of a town wiped out by the second-largest earthquake in recorded history.

Don't be a grizzly man. Get personal with Alaska's wild bears from the safety of this conservationist camp.