A pair of gigantic baby heads greet passengers at Atocha Station.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

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

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

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

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

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

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

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.

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."

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.

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.

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.

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

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

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

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