This Gothic church houses ornate royal tombs and a magnificent gilded altarpiece.

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

A window into a long-lost world, these colorful tiles advertise a long-defunct range of purgative teas, harmless smokables, and diarrhea cures.

This small Spanish village still pays homage to the Spaghetti Western films that were shot there in the 1960s.

This Canary island is a quintessential example of nature’s beauty, and its unbridled fury.

Walls of stone rise up from sinkholes caused by underwater erosion.

A road that winds through this natural cave is the only way to access the small, appropriately-named village of Cuevas.

The defensive tower was built centuries ago to warn locals of Berber pirate attacks.

This ancient Visigothic church might hide an ancient treasure.

A fiery-red region of scooped out land still largely untouched by civilization, tourists or otherwise.

Two large eyes painted anonymously on a mountain overlooking the city pay homage to an old legend.

This spectacular bridge is part of an abandoned train line that once connected Mallorcan capital to the southeastern coast.

An uninhabited village that preserves and documents rural architecture and an endangered way of life.

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

Eccentric sculpture garden brings Basque mythology to life.

An independent naturist colony amidst 1000-year-old ruins.

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

Salaguti's live-in museum: a fortress against criticism and consumer art.

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

The most elaborate of 12 medieval arched doorways to the old city of Burgos.

This historical manor is complete with a magnificent garden.

Remote ruins of a 2,400-year-old Iberian settlement.

This site is both a remarkable reminder of the town's mining history and a fantastic government blooper.

This architectural oddity is an oasis of green on the outskirts of Valencia.