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

Remarkably intact Roman stone fortifications have encircled this Spanish city for centuries.

Spain's stunning solar energy plant.

An archeological treasure trove stumbled upon by a couple of children.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

A magnificent place to see authentic paleolithic cave paintings that are an astounding 33,000 years old.

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

A micro-communist utopia in Spain with no police, no mortgages and full employment.

A Spanish artist builds his own castle.

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

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

A beautiful little museum hidden away in the heart of Barcelona holds a treasure trove of Ancient Egyptian artifacts

An out-of-place grove of sequoias thrives in northern Spain.

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

This species of wild goat stars in witchy legends and frolics among the park's eerie rock formations.

This remarkable prehistoric town is full of watchtowers and houses that have withstood thousands of years.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

A historic Christian shrine nestled within a spectacular natural cave.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

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

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

An eclectic collection of thousands of items owned by the sculptor Frederic Marès.

Vibrant street art created with mixed media.

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.