Originally planted by the ancient Carthaginians, this sprawling palm grove is one of the largest in the world.

Hidden underground, a remarkable 10th-century bath complex survives virtually unaltered.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

The world's first electric battery-powered submarine.

Bacteria and algae give the salty water its bubblegum hue.

The second largest palm grove in Europe was planted during Moorish times and has been largely unchanged since then.

A working-class suburb has become an open-air art museum dedicated to a local poet and hero of the Spanish Civil War.

Painting of this dam or weir seems to be a tradition

This enormous sardine in the Segura River pays tribute to an annual post-Lent tradition.

This beautiful early 20th-century military barracks now has numerous more peaceful uses

This abandoned gold mine found a second life as a post-apocalyptic film set.

This small Spanish village still pays homage to the Spaghetti Western films that were shot there in the 1960s.

This 16th-century building features a flamenco stage on its ground floor and a torture museum on its upper floors.

A statue of Granada's self-proclaimed "King of the Gypsies"

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

A museum dedicated to the centuries-old cave dwellings that housed marginalized communities on the outskirts of the former capital of Muslim Spain.

Mysterious texts covered in mystical symbols were found in caves at this site centuries ago.

For centuries, the largest Arab bathhouse in Spain was hidden under a palace.

This medieval synagogue survived the Inquisition as a hospital and church.

Touching this little fossil embedded in the wall of a grand mosque-cathedral may make your wishes come true.

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

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

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

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