An ancient stone structure that, according to legend, was built by witches.

This beautiful spit of land was once the summer playground of the king of Spain.

The site of a legendary battle immortalized in medieval literature.

Princess Kristina played a pivotal role in fostering diplomatic ties between two kingdoms, Norway and Spain.

Eccentric sculpture garden brings Basque mythology to life.

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

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

For more than half a millennia, this automaton has rung an hourly bell.

This remarkable museum sprung from one of the most important prehistoric archaeological sites in the world.

This Gothic church houses ornate royal tombs and a magnificent gilded altarpiece.

A charming Spanish village sits atop this natural limestone overpass.

The oldest operating roller coaster of its kind, the Montaña Suiza has been thrilling riders since 1928.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

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

A living art gallery painted on a canvas of Monterey pine trees.

Giant topiary dog once played a role in a terrorist bomb plot.

Marvel at this immense work of art that greets arrivals to the city.

This 19th-century fountain's namesake animal isn't what you think it is.

A medieval village holds a very modern hotel.