Case file · Folklore / legend
The Beautiful Lau of the Blautopf
Eduard Mörike's 1853 tale tells of a water nymph living in the Blautopf spring at Blaubeuren; the deep blue spring was said to be bottomless.
1853 CE · 48.42, 9.79 · status: legend
The sceptical view
Cave divers have mapped over 10 km of passages beneath the spring.