During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Amsterdam's former hotspot for public executions and dissections.

The eclectic seaside sanctuary caters to a rather fowl crowd.

A dark Victorian well house now plays host to mystical waters and pagan shrines.

Abandoned Roman Catholic chapel abused by Satanists before being restored.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

One of the most ethnically diverse spots on the planet.

The ruins of an ancient Zoroastrian Tower of Silence believed to be the earliest example of the traditional funerary practice.

The storied English village that pretended to be insane inspired NYC's nickname and the fictional namesake in the DC Comics universe.

Britain's answer to the NSA is based out of this deliciously-named circular headquarters.

The house where Charles Darwin's grandfather formed many of his influential ideas and inventions.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

Final palace complex of the last of 29 Kokand rulers.

These "50 Fortresses" have been unearthed in the ancient oasis of Khwarezm.

Former island in the Aral Sea used to be a top-secret Russian bio-weapons facility.

Ancient barriers wrap around what was once an important stop along the Silk Road.

The ornate miniature mansions were built for Istanbul's feathered residents.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

Large miniature theme park with 100-plus models.

Step back in time and witness the fall of Constantinople.

A meow-velous tribute to a beloved street cat, made famous on the internet.