A contemporary art installation housed within a Gothic cathedral.

Vibrant street art created with mixed media.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

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

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

This house's itty bitty size means no humans allowed.

The odd cement nubs littering this Spanish square are actually the entrances to a series of buried silos.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

The world's tallest bridge is also possibly the most elegant.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

This 15th century pharmacy displays a beautiful collection of ancient medicine jars.

Medieval village and microminiature museum.

Religious dwelling in a Spanish volcano.

This ancient Spanish castle sits high upon a hilltop.

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

A Romanesque tower appears when water levels drop.

Living towers made of people that are now recognized by UNESCO.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

This semi-secret storybook hedge maze is also the oldest garden in the city.

Mountain where Jesus was first tempted by the Devil.

This Funeral Hearse Museum represents the finest in cadaver transportation.

This cemetery features modernist statues as strange as its name.

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

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.