A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

This lucky bronze frog was gifted to Madrid by a casino.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

An exact replica of a colossal Olmec head sits atop a pyramid within a Madrid traffic circle.

The little church's beautifully frescoed ceiling has earned it the nickname “the Sistine Chapel of Madrid.”

This funky former tobacco factory is one of the most striking examples of Madrid's cultural diversity.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

Commonly acknowledged as the only public monument to the Devil himself.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

A lush indoor jungle fills this bustling Madrid transportation hub.

An ancient Egyptian temple in the middle of Madrid, Spain.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The tallest church in Mechelen might have been the tallest in the world if not for a lack of funds.

Dedicated to the American general whose reply to a German demand for surrender was simply "Nuts!"

A fascinating and enormous collection of natural history exhibits stained by a dark colonial legacy.

Tintin's creator is celebrated in an immersive museum that's an astounding work of modern art.

A man throwing a giant severed hand towers over Antwerp’s main square.

This charming, hidden guild museum holds some 700 years of crossbow history.

Petting this mysterious iron monkey supposedly brings good luck.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.