Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

A public urinal so pretty, it was declared a national monument.

Meet the bronze beloved pet to a family of famous peeing statues.

A little sculpture with a large wardrobe.

This gruesome biblical parade celebrates the one day a year that a bit of Jesus' blood turns to liquid.

Christ's blood preserved in a Belgian town.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

The final resting place of the great navigator, or maybe his brother.

The world's largest wooden structure.

High winds can make this one scary landing.

This preserved village shows the modest lifestyles of the area's 19th-century Chinese gold miners.

Hundreds of bras, blowing in the wind.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

Portugal’s highest lighthouse has one of the most impressive focal planes in the world.

Elaborate tile work in this railway station tells the story of Portugal.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The large collection of pre-Columbian pottery might make you blush.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.