Only hotel where you can legally launder money.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Its buzzing collection honors vibrator history.

The yawning maw of this pagan visage is said to bite off the hands of liars.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

A battle between nature and architecture in the Cambodian jungle.

Brussels' favorite peeing boy has a sister.

Climb inside an iron crystal magnified 165 billion times its normal size.

A little sculpture with a large wardrobe.

The Devil’s own choice when he needs a drink in Brussels.

An artist's cute bronze subway sculptures belie his violent artistic past.

New York's oldest and possibly grandest keeper of books.

The famous facade of Grand Central Terminal hides a regulation tennis court—and it's not the first one.

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

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

A bit of retro transportation flair preserved in the world's largest department store.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

Rummage through this sunken ship, but leave your scuba gear at home.

A semi-scholarly approach to sex.