OSM tag name=Panoptikum matches Panoptikum, April 2 in these Wikidata fields:
Museums established in 1879 | building=museum, tourism=attraction, tourism=gallery, tourism=museum, historic=museum |
Museums in Hamburg | building=museum, tourism=attraction, tourism=gallery, tourism=museum, historic=museum |
Wax museums | building=museum, tourism=attraction, tourism=gallery, tourism=museum, historic=museum |