This enchanting natural park is a magical example of a temperate rainforest in Europe.

The hidden ruins of an old hydroelectric plant reclaimed by nature.

A modernist church in an ancient village.

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

Volcanic rocks ground down into sand make this Spanish beach as black as night.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

A micro-communist utopia in Spain with no police, no mortgages and full employment.

Now a pile of ruins and rubble, this was a lovely mountain town as recently as 1960.

This "flat geyser" bubbles up out of the ground periodically like a disappearing river.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

A Spanish artist builds his own castle.

Famed architect Antoni Gaudi built this generous thank you gift to a friendly host who housed him during a job.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

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

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

Village situated on a narrow volcanic escarpment.

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

A Spanish forest is filled with mysterious stone carvings.

Bacteria and algae give the salty water its bubblegum hue.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

The prolific artwork of a self-taught sculptor.

Two stunning 17th-century libraries and a cabinet of curiosities.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.