A whimsical garden of outsider art in the Spanish countryside.

This ancient Spanish castle sits high upon a hilltop.

Mine shafts and hard pastries await visitors at this massive mountain of salt.

Stunning Roman aqueduct used for 1900 years and still standing.

An elaborately decorated house sits on an otherwise quiet street.

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

This museum is known as the "Land of the Dinosaurs," but its full-scale dino models are just the start.

Cliffside houses provide a spectacular view from their perch above the valley.

"Alleys of Stone" form natural mazes in Spanish natural park.

Geological storytelling.