Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

Guitarist Paco de Lucía overlooks travelers as they pass through this train station dedicated to his legacy.

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

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

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.

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

Madrid's last horchata kiosk is a blue-and-white beacon of refreshment.

Inside this church are the alleged remains of the patron saint of lovers, epileptics, and beekeepers.

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

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

Stuck in the middle of a modern Madrid city block are the remains of a 19th century sports complex.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

Five million people are laid to rest here, more than the population of Madrid itself.

The unfinished final resting place of some of Spain's most prominent politicians.

A lush indoor jungle fills this bustling Madrid transportation hub.

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

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

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

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.

An automaton perched above an classic clock and watch store

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

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