A historic castle that served as a backdrop to part of an elaborate extraterrestrial hoax.

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

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

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

An iconic photograph from the Spanish Civil War saved this shrapnel-scarred historic house from destruction.

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

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

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

These ancient artifacts are a testament to the enduring significance of the bull in Spanish culture.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

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

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

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

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

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.

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

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

A lush indoor jungle fills this bustling Madrid transportation hub.

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

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

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

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