The only Chicago bridgehouse open to the public contains a museum devoted to the Chicago River.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

Try not to get slimed in Tribeca.

Tucked away amidst some of the most famous addresses in the world is New York’s only fraction of a street.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

This block in downtown Brooklyn was a hotbed of antislavery activism along the Underground Railroad.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A socialist building dedicated to teachers showcases one of the largest Soviet mosaics in the world.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

The origin of the Nixon tapes is rooted in technological incompetence as much as secrecy.

The world's largest covered wagon is piloted by a giant Lincoln lawyer.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

The park is home to the United States's only still-operating Dutch windmill.

Outside Hope College in Holland, Michigan, a marker honors a University without people from the fictional Kcymaerxthaereal times.

The world's third-largest scale model of the planets.

Statue dedicated to the star of an old television show.

A unique botanical garden housed in three giant geodesic domes.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

This striking art museum holds an amazing series of curiosity cabinets.

A place to eat for on-the-run agents and espionage enthusiasts.