Haven't we all been there? That is Laurence Coe's Venus and Tannhauser, circa 1896, up above. Eden, Arcadia, Cockaigne, the Holy Grail legends, Utopia, Shangri-La, the Venusberg, etc.; the mystery is that no one knows where any of them are. Below is Tannhäuser in the

Wartburg Castle is on a hill above the town of Eisenach, in the most mythic part of Germany. To the west is the Fairytale Road, associated with the Brothers Grimm, and to the north is the Brocken in the Harz Mountains, where the witches ride on Walpurgisnacht in Goethe’s

The most interesting aspect of witches is that they like to have sex with the Devil, according to most experts, and the best paintings and woodcuts of these orgiastic witches are by the Renaissance Germans. There was none better than Hans Baldung Grien, whose Three Witches and Witch and Dragon,