The notorious headquarters of a corrupt political machine.

Unrepaired walls from a 1920 anarchist bomb attack.

Cryptic messages embedded in the New York City sidewalk.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A semi-scholarly approach to sex.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

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

A fascinating aviation museum where you can chat with the veterans who once flew the aircraft on display.

Georgia's highest point was given its strange name thanks to a simple translation error.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

A singular collection of hand-built art deco cars are held in a building with style to match.

This kitschy curio wonderland is full of fake animals, teak tables, and a cacophony of random bric-a-brac.

This Florida museum dedicated to western artwork is entered through an artificial canyon with imported sandstone.

Former wax museum from the 1960s, home to many wax U.S. Presidents and the famous White House miniature.

A thriving Black community was destroyed by an angry white mob at this site in 1923.

A graveyard of bathyspheres and diving bells paints a weirdly accurate account of ocean exploration's rickety history.

A peaceful, unique botanical garden complete with waterfalls, mini islands, and swans.

An icon among Florida's pre-Disney tourist attractions.

Like Mardi Gras, only everyone's a pirate.

An eclectic treasure trove of maritime marvels.

A Circus legend leaves an unexpected endowment.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.