The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

Spain's stunning solar energy plant.

An abandoned Indian-inspired mansion.

The morbid items in this small and hidden museum are not for the weak stomached.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

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

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

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

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

A darkly erotic open-air statuary in Catalonia.

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

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

A charming Spanish village sits atop this natural limestone overpass.

A medieval village holds a very modern hotel.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

The oldest Roman lighthouse still in use.

Rare karst landscape eroded from a flat seabed.

This ancient Spanish castle sits high upon a hilltop.

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

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

Devastated landscape used for hundreds of years by the Romans as their primary mining site.

Abandoned waterpark turned counter-culture mecca.

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

The chefs at El Diablo use heat generated by an active volcano to cook the food.