This massive fiberglass Gulliver turns every visitor into a Lilliputian.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

An isolated village literally built into the crevices and rock formations of a mountain.

The abandoned ruins of a beautiful medieval castle just outside Barcelona.

Stunning Roman aqueduct used for 1900 years and still standing.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

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

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

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

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

A Spanish town built into the cliffs.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

Village situated on a narrow volcanic escarpment.

The final resting place of the great navigator, or maybe his brother.

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

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

The world's largest wooden structure.

A landscape decorated with enormous skull sculptures.

This whimsical winery by Antoni Gaudí looks ripped from the pages of a fairytale.

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