This 15th-century aqueduct with distinctive pointed arches was used for irrigation in the Vinalopó valley.

The much-loved protagonist of famed Argentinian comics can be found sitting on a park bench.

The current seat of the Parliament of Andalusia was once the epicenter of the Great Plague of Seville.

This small Spanish village is home to dozens of public paintings meant to trick the eye.

This magnificent market stands as a poignant symbol of the suffering caused by the Spanish Civil War.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

Stunning Roman aqueduct used for 1900 years and still standing.

Turntable anonymously received orphans, alms, and groceries.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

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

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Peek into a cave of giant, glimmering crystals.

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

This amazing piece of modern art honors the hundreds of fishermen killed during Cambrils' "year of misfortunes."

An isolated village literally built into the crevices and rock formations of a mountain.

The ruins of a bombed medieval village memorialize the destruction of the Spanish Civil War.

A botanical garden full of thought-provoking contemporary sculptures.