The abandoned club hides in the hills of Ibiza.

Originally slated to become a luxurious resort, this structure is now a graffiti haunt reclaimed by nature.

Houses are tucked between, on, and underneath giant boulders.

The streets of a sleepy Spanish town proudly exhibit some of the world's finest graffiti.

A charming Spanish village sits atop this natural limestone overpass.

Translating as "The Jump of the Girlfriend," this stunning waterfall has a tragic legend behind it.

A cheese discovery made by shepherds became the pride of a region.

These magnificently sculpted tombs represent Spain's own legendary version of "Romeo and Juliet."

This multi-level, aqueduct-footbridge hybrid is one of the greatest works of the Spanish Renaissance.

During an annual Catholic feast in this tiny Spanish village, men dressed as devils leap over rows of babies to cleanse them of sin.

This awesome Spanish castle is so fantastical it was actually used on Game of Thrones.

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

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

Cliffside houses provide a spectacular view from their perch above the valley.

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

Medieval ruins nestled within a breathtaking swath of Spanish nature.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

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

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

A beautiful little castle with a rich history now home to the Archives of the Spanish Air Force.

Madrid's last horchata kiosk is a blue-and-white beacon of refreshment.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Stuck in the middle of a modern Madrid city block are the remains of a 19th century sports complex.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.