Religious dwelling in a Spanish volcano.

An early 20th-century bullring converted into a modern shopping center.

The unexpectedly beloved remnants of a controversial thermal power plant.

Occupied for six centuries by Franciscan Order nuns, this monastery is an amazing ode to Catalán Gothic architecture.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

A contemporary art installation housed within a Gothic cathedral.

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

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

A darkly erotic open-air statuary in Catalonia.

A breathtaking canyon offers stunning views and frightful pathways through an ecological paradise.

This ancient Spanish castle sits high upon a hilltop.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Mine shafts and hard pastries await visitors at this massive mountain of salt.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A Romanesque tower appears when water levels drop.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.