Spain's largest bullring offers a unique glimpse at architecture and history.

The blowhole bursts spectacularly right next to the buildings in a medieval seaside town.

This enormous censer uses a pulley system installed over 400 years ago.

One of Europe's largest groups of dolmens remains largely off the typical tourist track.

Remote, beautiful, and stigmatized, Las Hurdes is Spain's version of Appalachia.

The ruins of an ancient Celtiberian town with incredible rock-cut buildings and a Roman aqueduct.

An outsider folly near Madrid.

The remains of an encyclopedic sculpture garden later used as an internment camp.

The cathedral of a controversial, conservative, schismatic sect that declared the Catholic Church heretical and founded its own succession of popes.

Locals use these rock pools and waterfalls for swimming and cliff diving.

Hundreds of preserved dinosaur footprints can be found along a hiking trail in this small village.

This charming, medieval walled village is Spain's first "book town."

A surrealist labyrinth and museum of contemporary sculptures.

Semi-mystical manmade towers of rocks decorate this rocky seaside.

Abandoned tunnels dug for the once-thriving sea salt industry on the coast of southern Spain.

In Spain, the ruins of a Roman military camp sit along a flooded section of a river.

Haunted tuberculosis hospital built by the patients.

A vault of safe-deposit boxes in an old bank has been repurposed as a time capsule of Hispanic culture.

A daily pyrotechnic celebration marks a beloved tradition during Valencia's festival season.

An enchanting landscape of ancient sandstone structures eroded into otherworldly shapes.

This chest hospital with a dark, haunted past serves as a fitting set for horror films and a paradise for ghost hunters.

This panoramic lift provides a futuristic ride up San Pedro Mountain.

The atmospheric ruins of a historic church can be found on a hill above the city of Oviedo.

Hundreds of caves once used to store grains and animal feed.