Landscapes & nature
Kalkberghöhle
Cave in Germany
Wikipedia names Kalkberghöhle as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Kalkberghöhle. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Bad Segeberg
Germany · under 1 km
Town in Germany
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Towns & cities
Travenbrück
Germany · 10 km south
Municipality of Germany
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Castles & palaces Tralau Manor
Germany · 11 km south
Château
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Towns & cities
Bad Oldesloe
Germany · 14 km south
Municipality in Stormarn District, Schleswig-Holstein, Germany
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Landmarks & buildings
Hartenholm airfield
Germany · 18 km west
Aerodrome in Germany
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Landmarks & buildings
Salzspeicher
Germany · 25 km east
Group of buildings in Lübeck, Germany