Stunning Roman aqueduct used for 1900 years and still standing.

Salaguti's live-in museum: a fortress against criticism and consumer art.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

Famed architect Antoni Gaudi built this generous thank you gift to a friendly host who housed him during a job.

An impressive home made of stone, carved more than a century ago.

A medieval village holds a very modern hotel.

An isolated village literally built into the crevices and rock formations of a mountain.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

"Satisfying" is a good way to describe these beautifully aligned rows of Spanish mills.

This whimsical winery by Antoni Gaudí looks ripped from the pages of a fairytale.

This enchanting hamlet carved into the rock looks like something straight out of Tolkien's Rivendell.

A science fiction-inspired apartment building designed by a famous Spanish architect.

The tallest tower in Cáceres's Old Town.

This amended headstone marks the grave of a participant in one of the most successful military deceptions of all time.

The final resting place of the great navigator, or maybe his brother.

This Michelin-starred restaurant sheds light on a rare period of cultural and culinary tolerance in Cordoba’s past.

You can cross from one country to another in a single hop on this little bridge.

A cheese discovery made by shepherds became the pride of a region.

The largest medieval water tank on the Iberian Peninsula is preserved beneath the Cáceres Museum.

Images of neighbors past and present guard the streets of this charming alpine village.

Quite possibly the oldest love poem known to humankind.

This shuttered power plant is now Turkey's first industrial archaeology museum.

The eclectic home of a leading Turkish architect is a gorgeous piece of eye candy.