Kalkberghöhle, Show cave in Bad Segeberg, Germany.
Kalkberghöhle is a show cave in Bad Segeberg, Schleswig-Holstein, running through one of the longest gypsum cave systems in Germany. The route passes through several chambers with gypsum formations visible along the walls and ceilings throughout.
The cave was found in 1913 during quarrying work and declared a natural monument in 1930. That protection ended all further extraction and opened the way for the site to become a public attraction.
Next to the cave entrance stands an open-air theater where Karl May adventure stories are performed every summer. The shows draw large audiences each year and have become a seasonal gathering point for families and fans of frontier tales.
Visits are guided tours through the lit and secured pathways of the cave, so no special equipment is needed. A warm layer is worth bringing since the temperature inside stays low throughout the year.
The cave shelters around 20,000 bats from eight species, making it one of the most important bat roosts in northern Germany. A rare beetle also lives here that has not been recorded anywhere else in the surrounding region.
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