Places elkeundmarco Wants to Go

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Experience this Iron Age village the way that its original residents would have.

Hidden well off the beaten path in Catalonia is this crumbling medieval castle that is slowly being covered in graffiti.

Arguably the most striking example of street art in Tarragona

A science fiction-inspired apartment building designed by a famous Spanish architect.

An architect transformed this abandoned cement factory into his castle-like workshop.

This huge abandoned fortress hidden inside a mountain holds a world of subterranean secrets.

This submersible road connecting a French island to the mainland is lined with safety towers for when the tide strands travelers.

Avant garde house of Pierre Cardin on the Cote d’Azur.

One architect's organic, human-centric design has been fully realized in this alien art house.

A small town hallucinates en masse - Bad bread, or CIA science project?

The sunken structure looks like the victim of a catastrophic flood.

One of the great treasures of Neolithic art lies within this carefully constructed pile of rocks.

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

A Romanesque tower appears when water levels drop.

Religious dwelling in a Spanish volcano.

Village situated on a narrow volcanic escarpment.

This 15th century pharmacy displays a beautiful collection of ancient medicine jars.

Trek into the depths of the cave where 17,000-year-old paintings exist alongside 400-year-old graffiti.

An arresting arch punched straight through a mountain provides one of the most scenic spots, and challenging climbs, on the planet.

The remains of an abandoned funicular railway that once ferried skiers and hikers to great heights in the Pyrenees.

This futuristic observatory at the top of the Pyrénées offers unrivaled views.

Abandoned 18th century weapons factory in the Aezkoa Valley.

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