Living towers made of people that are now recognized by UNESCO.

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

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

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

Giant granite sculptures representing family on the northern coast of Spain.

A temple to modernity, tucked away amid Barcelona's more well known museums.

The oldest Roman lighthouse still in use.

Devastated landscape used for hundreds of years by the Romans as their primary mining site.

Stunning Roman aqueduct used for 1900 years and still standing.

Turntable anonymously received orphans, alms, and groceries.

Of course Salvador Dalí lived in a castle...

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

Commonly acknowledged as the only public monument to the Devil himself.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Mountain where Jesus was first tempted by the Devil.

Village situated on a narrow volcanic escarpment.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

An ancient Egyptian temple in the middle of Madrid, Spain.

This semi-secret storybook hedge maze is also the oldest garden in the city.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This cemetery features modernist statues as strange as its name.