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

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

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

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

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

An old, deep well, connected with a miraculous, divine rescue and the patron saint of Madrid.

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

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

A tree grown from astronaut seeds which were exposed to cosmic rays.