A contemporary art installation housed within a Gothic cathedral.

These distorting, funhouse mirrors achieved fame in a renowned piece of Spanish theater.

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

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

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

This embalmed man is one of the best preserved mummies from the Canary Islands.

This enigmatic Iberian sculpture of uncertain origin may have once guarded a burial site.

Along the pavement of this neighborhood in Madrid are quotes from famous authors.

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

This piece of early engineering is rather unknown despite its location in the heart of Madrid.

The Spanish king's private bathroom embraced the idea of a porcelain throne.

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.

A lush indoor jungle fills this bustling Madrid transportation hub.

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

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

A ghostly mansion in the middle of downtown Tunis.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

An ancient burial ground believed to have been used for ritual sacrifice.

An ancient Phoenician citadel once stood at the site where Queen Dido first landed, according to legend.

Some believe this abandoned Brutalist masterpiece inspired George Lucas's Sandcrawler.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.