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

Of course Salvador Dalí lived in a castle...

A darkly erotic open-air statuary in Catalonia.

A museum of tiny buildings in the tiny country of Andorra.

Religious dwelling in a Spanish volcano.

A Romanesque tower appears when water levels drop.

A Spanish forest is filled with mysterious stone carvings.

An enchanting monastery in the Spanish countryside appears lifted from a fantasy tale.

A once-secret library of Freemason history in Catalonia.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Saint Joseph was said to heal the deaf and blind, but it was a much smaller miracle that got him canonized.

A beautiful but toxic fountain of mercury.

An isolated village literally built into the crevices and rock formations of a mountain.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

Mountain where Jesus was first tempted by the Devil.

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

Tower that was a frequent stop on the travels of King James I.

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

The abandoned ruins of a beautiful medieval castle just outside Barcelona.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

An independent naturist colony amidst 1000-year-old ruins.

A modernist church in an ancient village.

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

This abandoned racetrack looks like it is set to hold competitions in the apocalypse.