This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Home to a dizzying array of letterpress blocks with a rich history.

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

A small museum of antique transport that's a must-see for bicycle lovers.

A village of art and exotic creations.

The Church of the Annunciation was carved into the face of a cliff, just like the rest of the town of Haute-Isle.

This professional clown's home is an outsider art wonderland.

The artist and his brother are buried in a landscape straight out of a van Gogh painting.

Huge Russian Orthodox cemetery in danger of being converted into open public space.

The post-apocalyptic remnants of a bucolic town ruined by a plane crash.

This prehistoric figurine is the oldest known realistic depiction of a human face.

Perfume museum and library.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.

The Cimetière des Chiens et Autres Animaux Domestiques is one of the oldest pet cemeteries in the world.

An odd museum dedicated to French fakes.

The curious underground history of keeping Paris clean.

A museum of carnival attractions where you are invited to ride the rides.

A Parisian boutique devoted to la Sape, the elegant Congolese fashion subculture rooted in European colonization.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

The oldest and smallest cemetery in Paris is only open to the public twice a year.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

BDSM, 1930s Style.

This museum in a Paris apartment gives a unique look at the iconic French singer's life.