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

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

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

A model solar system adds a celestial touch to this suburban park.

An automaton perched above an classic clock and watch store

A unique exhibit lets blind people experience famous works of art and architecture with their hands.

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

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

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

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

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

A subterranean relic of the Spanish Civil War hides below this picturesque park.

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

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

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

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

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

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

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

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.”

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."

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