The largest cave on the island of Menorca was likely the site of Iron Age rites and rituals.

A replica of the ice houses that once formed the basis of a local ice cream industry sits proudly in the middle of traffic.

The site of a legendary battle immortalized in medieval literature.

A large collection of solar and night-time telescopes dot a small area on the Teide mountain range.

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.

The world's first electric battery-powered submarine.

The tallest tower in Cáceres's Old Town.

32,000 tiny soldiers are posed in 23 historical settings.

This impressive former palace contains a hidden gem for fans of modern sculpture.

A small town celebrates its cash crop with a giant highway sculpture.

This magnificent brick dome was made with an unusual design method.

Whether they are bulls or pigs, these ancient animal sculptures are fascinating relics.

This historical manor is complete with a magnificent garden.

A somewhat mysterious biomedical museum housed inside a Spanish university.

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

A curious memento mori hangs in the magnificent Cathedral of Segovia.

Marvel at this massive waterspout fueled by the incoming tide.

The surviving remnants of a destroyed medieval church now stand in a public park.

Remote ruins of a 2,400-year-old Iberian settlement.

The cathedral of a controversial, conservative, schismatic sect that declared the Catholic Church heretical and founded its own succession of popes.

Strange masks and obscure costumes are housed in this old Madrid corrala.

Saint Joseph was said to heal the deaf and blind, but it was a much smaller miracle that got him canonized.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

An ornate tower shows off a local artist's architectural flair.