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

These Bullet-scarred bunkers are haunting reminders of the Spanish Civil War.

This influential Renaissance-era library was once the haunt of kings and monks.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

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

The ruins of an ancient stadium that hosted gripping chariot and horse races.

Mysterious Spanish catacombs of unknown origins.

Whimsical sculptures and caves chiseled by nature over the millennia.

An outsider folly near Madrid.

Numerous sculptures set along hiking trails symbolize and idealize the relationship between man and nature.

This enchanting hamlet carved into the rock looks like something straight out of Tolkien's Rivendell.

The prolific artwork of a self-taught sculptor.

12th-century holy complex shares land with a natural park full of heavenly waterfalls and raptors.

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

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

This museum is known as the "Land of the Dinosaurs," but its full-scale dino models are just the start.

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.

Geological storytelling.

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

This ancient tunnel is one of the most important examples of Roman hydraulic engineering in Spain.

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

The tallest tower in Cáceres's Old Town.

The largest medieval water tank on the Iberian Peninsula is preserved beneath the Cáceres Museum.