This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

Unique antiquarian shop specializing in globes, maps, and prints.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

The oldest surviving synagogue in New York City is now a soaring art space.

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

A legendary speakeasy bookstore returns from the brink.

A hands-on traveling collection of the innovative devices of yesteryear.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Traditional Appalachian dances such as the Georgia Rang Tang and the Shoo-Fly Swing are kept alive at this weekly event.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

An underground city of salt.

Where the lovelorn find a home for their sentimental keepsakes.

Humble beginnings for one of the world's most famous scientists.

A snapshot of the city's fascinating voodoo culture.

Site of a former hidden treehouse in New Orleans.

Stalactites and stalagmites in a beautifully lit cave.

A salty cave excavated by elephants and the location of a deadly disease vector.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.