These small house replicas have stood proudly since the 1950s, even as the property has changed hands.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

A natural sandstone bridge hidden in the Sewanee forest.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

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

Come for the waffles, stay for more waffles.

A Ukrainian church canteen doles out hearty fare in an East Village basement.

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

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

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

An extensive collection of fine art devoted to man's best friend.

Slyly buy a shake in the Parker Meridien lobby.

The first museum in the United States dedicated entirely to posters.

Unlock the secrets of the conjuring arts.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

An annual extravaganza of Broadway theater memorabilia.

America's first serial killer rests in anonymity.

This might just be the TARDIS of bookstores.

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

This museum explores the lives of Chang and Eng, the "Original Siamese Twins."

Bizarre Cavern.

Peek through a transparent pyramid and drink in the mountain made of books.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.