One of the world's oldest universities houses an incredible collection of anatomical models, mummified body parts, and human bones.

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.

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

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

The remains of the second-oldest zoo in Europe can be seen within these library gardens.

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

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

A statue commemorating a beloved stray dog who was adopted by the entire neighborhood where he lived.

A must for film lovers in Madrid and home to the Spanish Film Library's projection space.

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

Nicknamed the "Spirit of Paul Klee," this colorful apartment building features an array of multicolored panels.

Kingly French toast comes soaked in milk or red wine, then drizzled in a citrus-perfumed syrup.

This taberna has been frying up crunchy salt cod since 1860.

Inaugurated three times, this tower offers some of the best views of Madrid.

A plaque in Madrid’s West Park marks the launch of a queer icon’s unlikely media career.

This phone booth was recreated to honor "La cabina," considered the best horror film in the history of Spanish television.

A neighborhood represented by an apparent geocentric and flat-earth model of the Solar System is hidden in the subway of Madrid.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Mountain where Jesus was first tempted by the Devil.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

This cemetery features modernist statues as strange as its name.