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

One of Antoni Gaudí's least-visited works, an homage to Catalan patrimony that mixes neo-Gothic with Modernista forms.

The ruins of a bombed medieval village memorialize the destruction of the Spanish Civil War.

The Gaudí-inspired building that was the start of Terrassenc modernism.

This line of 12 tower mills described in the story of Don Quixote is among the most iconic landscapes in Spain.

This religious complex carved into a cliff is steeped in legends of miraculous stags and the Holy Grail.

A darkly erotic open-air statuary in Catalonia.

This ancient Spanish castle sits high upon a hilltop.

A charming Spanish village sits atop this natural limestone overpass.

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

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

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

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Bacteria and algae give the salty water its bubblegum hue.

An enchanting monastery in the Spanish countryside appears lifted from a fantasy tale.

Now a pile of ruins and rubble, this was a lovely mountain town as recently as 1960.

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

A modernist church in an ancient village.