First point in the Struve Geodetic Arc, a 19th century undertaking to measure the Earth's size and shape.

A historic scientific breakthrough that crosses nine borders.

Once a year, local students "clean" this statue with a champagne shower.

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

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

Christ's blood allegedly preserved in a Belgian town.

A beer pipeline runs beneath Bruges.

Also known as Napoleon's Canal, this waterway was created on the orders of the general, and construction was interrupted by Waterloo.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A pilgrimage site where people ask Saint Dymphna to watch over those who are not of sound mind.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Eat the ultimate iteration of Portugal's most beloved pastry.

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

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

Spanning over 10,000 square miles, this ancient salt pan is one of the largest on the planet.

Known as "The People's Park," this verdant oasis is home to elephants and villagers alike.

A public display of prehistoric space rocks is named for the Namibian village where they were found.

Held in a fort that once stood for colonization of the area, this museum now tells the history of its indigenous people.

An ancient Namibian rock pictograph of a white lady is actually a man.

Hitch a boat ride to dine on stilts while watching wildlife.

A desert that rolls right up to the ocean, where it's so dry animals live off the fog.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.