If the medieval legends are to be believed, the devil was a prolific architect. All around Europe are bridges known as the Devil’s Bridge, each with a story of soul-selling deals and outwitting satan. These stories that developed independently of each other likely were related to the gravity-defying structure of these bridges, the likes of which had rarely been seen and seemed beyond the possibilities of human hands.

We’ve rounded up six (the devil’s traditional number) of these Devil’s Bridges with a most unholy story in their stones… A Most Unholy Architecture: Six Devil’s Bridges, on Atlas Obscura!