If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

Europe's only museum solely dedicated to the history of whaling still has a fully-functioning whaling ship.

Stay overnight in the world's most sleekly designed rabbit hole, free of charge.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

This picturesque island graveyard is the final resting place of dozens of notorious pirates.

An ancient quarry rediscovered by a dog and claimed by biblical kings, a German cult, and the Freemasons.

This cubist Vienna church building looks like some sort of alien stonehenge.

This unique railroad museum secretly contains the history of Poland rebuilding itself from the inside-out.

A walkable map of the world, made from soil and stone by one man.

This historic cemetery was inaccessible for several years due to dozens of land mines.

Dr. Strangelove-esque tours reveal the inside a bunker once reserved for Stalin himself.

These medieval ruins have survived since the 12th century, even providing shelter from the Nazis.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

This winding road through an Italian canyon may be the most scenic drive in the world.

A mysterious collection of stones stand outside a small New England town.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

Once considered the height of medical modernity, this structure is now the oldest remaining component of Roosevelt Hospital.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

This was one of the first (and last) university-built and operated nuclear reactors.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

This miniature take on the Kremlin is one Dutch man's retirement project.

A little known pile of scraps and plaques mark the grave of a downed RAF bomber.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.