This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.

Crushed coral and crystals give the sand its signature coloration.

Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

This line of 12 tower mills described in the story of Don Quixote is among the most iconic landscapes in Spain.

This imposing modern citadel started out as a home renovation project.

Seaside ruins of a settlement that date back to the first century B.C.

Spain's stunning solar energy plant.

This religious complex carved into a cliff is steeped in legends of miraculous stags and the Holy Grail.

Abandoned waterpark turned counter-culture mecca.

A darkly erotic open-air statuary in Catalonia.

A medieval village holds a very modern hotel.

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

Rare karst landscape eroded from a flat seabed.

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

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

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

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

A charming Spanish village sits atop this natural limestone overpass.

A site where “the ravages of the war are more striking…than any other place in contemporary Spain.”

Numerous sculptures set along hiking trails symbolize and idealize the relationship between man and nature.

This centuries-old Italian chapel hangs midway down a sheer cliffside.