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

Mine shafts and hard pastries await visitors at this massive mountain of salt.

Blue-green pools and smooth stones comprise one of Spain’s most idyllic hidden wonders.

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

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

A 16th-century Andalusian palace.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

One of the largest ossuaries in Spain is packed from floor to ceiling with bones.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

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

Cliffside houses provide a spectacular view from their perch above the valley.

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

A charming Spanish village sits atop this natural limestone overpass.

One of the world's oldest universities houses an incredible collection of anatomical models, mummified body parts, and human bones.

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

Stunning Roman aqueduct used for 1900 years and still standing.

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

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

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

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

Village situated on a narrow volcanic escarpment.

A Spanish town built into the cliffs.

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