The building hides in plain sight in Ribadavia's historic Jewish quarter.

A window into a long-lost world, these colorful tiles advertise a long-defunct range of purgative teas, harmless smokables, and diarrhea cures.

This store decorated with Japanese and underground pop culture items has been the centre of Barcelona alternative fashion scenes for more than a decade.

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

This Bronze Age man spent millennia buried in a mine, giving his bones an eerie hue.

A signal indicates the entrance to this alley, rumored to be a meeting place for witches.

Remote, beautiful, and stigmatized, Las Hurdes is Spain's version of Appalachia.

Semi-mystical manmade towers of rocks decorate this rocky seaside.

Replicas of fossils unearthed during renovation work reveal how this area would have looked millions of years ago.

See replicas of Europe's most famous cave paintings and even some of the animals that feature in the art.

This enchanting green space houses a labyrinth lined with toxic plants.

The ruins of an ancient Celtiberian town with incredible rock-cut buildings and a Roman aqueduct.

The fragmented remains of a massive public bath connected to the city's water supply.

One of Europe's largest groups of dolmens remains largely off the typical tourist track.

A controversial art piece that harkens back to local folklore.

This art installation at an abandoned lipstick factory has distinct anti-capitalist vibes.

A wonderful collection of fossilized dinosaurs and other creatures that roamed the landscape millions of years ago.

This enigmatic artifact is a rare depiction of an ancient Iberian noblewoman.

A pair of gigantic baby heads greet passengers at Atocha Station.

A small church ornamented with medieval erotic sculptures.

This generously endowed statue once stood guard outside a Roman home.

These primitive rock paintings include a very beloved depiction of a woolly mammoth.

The atmospheric ruins of a historic church can be found on a hill above the city of Oviedo.

The walls of these four caverns are filled with art that dates back to the earliest human presence in Europe.