* IRRGARTENWELT.DE Lars O. Heintel's collection of handdrawn labyrinths and mazes* Labyrinthe in Deutschland Website (in German) with diagrams and photos of virtually all the public labyrinths in Germany.
* Irrgartenwelt.de, Lars O. Heintel's collection of handdrawn labyrinths and mazes* Begehbare-labyrinthe.de Website with diagrams and photos of virtually all the public labyrinths in Germany.