This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

A 19th-century horse lover's bequest led to the construction of this unique fountain in Chicago.

A small town celebrates its cash crop with a giant highway sculpture.

Continental Europe's only museum devoted to salt and pepper shakers features more than 20,000 designs.

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

Originally planted by the ancient Carthaginians, this sprawling palm grove is one of the largest in the world.

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

Replicas of fossils unearthed during renovation work reveal how this area would have looked millions of years ago.

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

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

Fascinating exhibits of prehistoric and ancient artifacts displayed with a uniquely modern touch.

This 19th-century fountain's namesake animal isn't what you think it is.

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

A magnificent, long-abandoned castle built in the wake of the reconquest of Spain.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

Giant topiary dog once played a role in a terrorist bomb plot.

Seaside ruins of a settlement that date back to the first century B.C.

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

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

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

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.