The magic of Spanish aviation housed under one roof.

An iconic photograph from the Spanish Civil War saved this shrapnel-scarred historic house from destruction.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

A functioning Roman-era aqueduct and bridge in rural southwest France.

Built to power trains, the engines in this building provided the entire city of Madrid with electricity during the Spanish Civil War.

Half a century after it was abandoned, this ghost town is coming back to life.

A bizarre sculpture garden in the south of France.

Abandoned blockhouses from Nazi Germany's Atlantic Wall erode into the sea on a French beach.

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

Long tunnels run under the ancient chariot racing circuit to the tower.

This medieval fortification has weathered the centuries better than any other structure from its era.

Living towers made of people that are now recognized by UNESCO.

Turntable anonymously received orphans, alms, and groceries.