A sauna from 168 square meters. It's the largest in the world, complete with a certificate of Guinness. But it is'n in Finland, but in the southwestern German region of Baden-Württemberg, in any locality, Sinsheim, located about thirty kilometers from Heidelberg. It 's part of a complex with the eloquent name Badewelt Sinsheim (the world of swimming, relaxing bath). For users, it is the scenic views of the nearby aquarium too.

source: http://www.repubblica.it/viaggi/