The bell that resides above this small chapel is actually a converted bomb.

This memorial, built by fascist dictator General Franco in 1960, has been repurposed by the people of Catalonia.

The spectacular geological formations make it one of the most impressive caves in Europe.

The largest medieval water tank on the Iberian Peninsula is preserved beneath the Cáceres Museum.

These primitive rock paintings include a very beloved depiction of a woolly mammoth.

The walls of these four caverns are filled with art that dates back to the earliest human presence in Europe.

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

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

The largest prehistoric cemetery on the Balearic Islands dates back over 2,500 years.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

Peek into a cave of giant, glimmering crystals.

A beautiful little museum hidden away in the heart of Barcelona holds a treasure trove of Ancient Egyptian artifacts

Blue-green pools and smooth stones comprise one of Spain’s most idyllic hidden wonders.

Volcanic rocks ground down into sand make this Spanish beach as black as night.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

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

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

"Alleys of Stone" form natural mazes in Spanish natural park.

This natural wonderland is a unique chance to explore a Carolina bay, a mysterious geological formation of unknown origin.