The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

This collection of artifacts represents one family's mission to record the horrors of World War II inflicted on their hometown.

Every spring, locals see the shadowy figures of a ghost army of slain Greek soldiers descend upon this ruined fort.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

This stone tower was built to protect Crete from incoming pirates.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This famous archeological mystery may be an ancient example of movable type.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Explore nearly 400 years of English middle-class home life.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

One of the world's largest collections of pathological specimens.

Hear the quietest sound from across the dome.

Catacombs turned marketplace.

This 1920s Dutch barge is now a floating bookstore.

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

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

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.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Ride the subways of yesteryear.

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