HöhlenErlebnisZentrum is the museum in Germany.
According to PR-model, hoehlen-erlebnis-zentrum.de is ranked 3,636,513th in multilingual Wikipedia, in particular this website is ranked 344,553rd in Japanese Wikipedia.
The website is placed before uhrenmuseum-badgrund.de and after northernforestheritage.org in the BestRef global ranking of the most important sources of Wikipedia.