The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

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

A snapshot of the city's fascinating voodoo culture.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

World's first "penitentiary," meant to be humane, drove men insane.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

World's largest collection of serial killer artwork and other macabre exhibits.

A terrific purveyor of natural history objects and curios.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.

What was once supposed to be the symbol of a shining Afghan future is now a bombed-out ruin.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

A remnant of Korea's colonial past lies forgotten in a hip neighborhood in Seoul.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

Mirrored floors and arched shelves create the illusion of an infinite tunnel of books.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

An impressive display of ships and artifacts from the ancient Mediterranean maritime trade.