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

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

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

The little church's beautifully frescoed ceiling has earned it the nickname “the Sistine Chapel of Madrid.”

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

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

A completely underwater art museum sends a stark message about humans' impact on the environment.

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

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

A Spanish town built into the cliffs.

Village situated on a narrow volcanic escarpment.

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

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

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

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

A landscape decorated with enormous skull sculptures.

This house's itty bitty size means no humans allowed.

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

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

A Spanish forest is filled with mysterious stone carvings.

The morbid items in this small and hidden museum are not for the weak stomached.