Museum of amazing old toys and automata.

Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

This fascinating and poignant museum chronicles every imaginable aspect of Spanish colonialism in the Americas.

The largest medieval water tank on the Iberian Peninsula is preserved beneath the Cáceres Museum.

This enormous censer uses a pulley system installed over 400 years ago.

A historic Christian shrine nestled within a spectacular natural cave.

A somewhat mysterious biomedical museum housed inside a Spanish university.

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

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

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

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

An archeological treasure trove stumbled upon by a couple of children.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

A Spanish artist builds his own castle.

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

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

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

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.

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

Of course Salvador Dalí lived in a castle...

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

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

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.