This modest post office sits on the site of H.H. Holmes' famous murder castle.

These mansions date back to Chicago's days as a brewer's paradise.

A private museum dedicated to preserving the heritage of Mardi Gras' most beloved underdog parades, open by appointment.

The filming location of a shark attack in Steven Spielberg's famous shark movie.

This Boy Scout retreat acted as "Friday the 13th"'s original Camp Crystal Lake.

Worm salt and other local ingredients are on the menu at this cult favorite ice cream shop.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

This statue of a 15th-century Hungarian military and political figure has become known for its resemblance to a particular cartoon knight.

The fairy tale castle of the "fairy-tale king."

A rare example of World War I trenches from the British front.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

Just below the surface, shrimp are producing temperatures hotter than the sun.

A tribute to the "toughest woman on the Texas frontier," who survived a famous battle and five husbands.

Underneath downtown Lincoln resides a network of caves that was also the city's first brewery.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

An unassuming secret door once led to a legendary watering hole.

The 40-foot-tall votive candle is the largest of its kind.

A collection of fanzines, recordings, and documents detailing the rise and influence of the feminist punk movement.

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

Tiki luxury on Nob Hill.

Five candy-colored villages on the Italian Riviera.