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

Learn how dolls are made in this fascinating museum inside a 19th-century mansion.

This technological marvel is one of the world's first 3D-printed bridges.

Continental Europe's only museum devoted to salt and pepper shakers features more than 20,000 designs.

Two large eyes painted anonymously on a mountain overlooking the city pay homage to an old legend.

A rocky face gazes out over an enormous volcanic crater.

Containing a personal collection of more than 1,200 jugs from around the world.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

These wooden balconies that are both decorative and functional.

1,300 chamber pots and their eccentric collector.

A solitary lighthouse in Spain was an inspiration to the great Jules Verne.

This magnificent market stands as a poignant symbol of the suffering caused by the Spanish Civil War.

The largest salt farm in the Canary Islands is located at the foot of an active volcano.

A series of well-preserved ruins show the culture of the ancient Benehoaritas people.

A statue of a boy looks up at where the famous rival to the Leaning Tower of Pisa once stood.

This surreal-looking tree pruned more than 1,000 years ago is still producing olives for oil.

This elaborately decorated wall is an homage to the history, beauty and lore of the palm tree.

A delightful museum devoted to the history of books.

The world's first electric battery-powered submarine.

A site outside Pedraza, Spain where a plaque tells a tale of seven-legged creatures that were said to have once lived in the area—in the fictional world of Kcymaerxthaere.

A dictator's failed public works project has been reborn as two linked trails through spectacular scenery.

The most elaborate of 12 medieval arched doorways to the old city of Burgos.

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

The extensive relics of an ancient Roman and Phoenician fish processing plant hide in a town park.