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

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

Occupied for six centuries by Franciscan Order nuns, this monastery is an amazing ode to Catalán Gothic architecture.

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

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

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

A landscape decorated with enormous skull sculptures.

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

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

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

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

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

A Spanish forest is filled with mysterious stone carvings.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

This Funeral Hearse Museum represents the finest in cadaver transportation.

Wonderland replication in progress by one persistent man.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

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

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

Bacteria and algae give the salty water its bubblegum hue.