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

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

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

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

The earliest known map to show America, discovered by accident at a Paris bookshop.

Sometimes called the Banksy of Madrid, Muelle was a pioneer of street art in the Spanish city.

A small museum displays some of the artifacts discovered during a subway station renovation.

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

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

Just like in Hollywood, Madrid has also a forgotten walk of fame.

Shrapnel, dynamite, bullets and Franco couldn't destroy this bust, rescued and kept hidden as a family secret for over 40 years.

This fascinating and poignant museum chronicles every imaginable aspect of Spanish colonialism in the Americas.

These three pillboxes still remain as a witness of the Spanish Civil War in a park of Madrid.

King Carlos IV laid the first stone during construction of this chapel.

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

The remains of a convent turned military barrack in the heart of Madrid.

Part of the medieval watchtower is displayed in an otherwise ordinary parking garage.

This small museum tucked within a subway station holds pieces from Madrid's past.

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

An automaton perched above an classic clock and watch store

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

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

This tiny river island switches sovereignty every six months as part of a rare, centuries-old agreement.