This Spanish shoe museum has history, has design, and has a pair of Rafael Nadal's tennies!

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

Bacteria and algae give the salty water its bubblegum hue.

An impressive display of ships and artifacts from the ancient Mediterranean maritime trade.

Two 2,500-year-old Phoenician boats found on the coast of Spain, giving incredible insight into the ancient maritime traders.

Remnants of the rich history of fish salting in this ancient Mediterranean port town.

The world's first electric battery-powered submarine.

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

The two massive guns that defended Cartagena Bay.

Haunted tuberculosis hospital built by the patients.

An enchanting landscape of ancient sandstone structures eroded into otherworldly shapes.

These three pillboxes still remain as a witness of the Spanish Civil War in a park of Madrid.

Stuck in the middle of a modern Madrid city block are the remains of a 19th century sports complex.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

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