▁in ▁ 1 8 9 0 – 1 8 9 6 , ▁with ▁a ▁statue ▁of ▁Frederick ▁Bar bar ossa ▁and ▁an ▁Emperor ▁William ▁monument , ▁the ▁German ▁Emperor ▁William ▁I ▁was ▁thought ▁to ▁have ▁" la id ▁to ▁rest " ▁Bar bar ossa ▁by ▁the ▁ 1 8 7 1 ▁un ification ▁of ▁Germany . ▁▁ ▁The ▁true ▁background ▁of ▁the ▁Ky ff hä user ▁legend ▁might ▁be ▁found ▁in ▁a ▁cave ▁on ▁that ▁mountain , ▁in ▁which ▁important ▁human ▁remains ▁were ▁found . ▁Some ▁ 1 3 0 ▁persons ▁seem ▁to ▁have ▁been ▁sacrific ed ▁to ▁a ▁female ▁god dess ▁in ▁Bron ze ▁to ▁Iron ▁age ▁times . ▁Tra ces ▁of ▁can ib al ism ▁were ▁found . ▁This ▁sacrifice ▁to ▁the ▁god des ▁in ▁the ▁mountain ▁( as ▁well ▁as ▁in ▁la kes ▁and ▁sw amps ) ▁might ▁be ▁connected ▁to ▁the ▁v ener ation ▁of ▁god dess ▁Fre ia , ▁H ul da ▁or ▁D ame ▁Hol le ▁in ▁the ▁region . ▁It ▁could ▁also ▁be ▁connected ▁to ▁the ▁Ven us berg ▁of ▁Wagner ' s ▁T ann hä user , ▁set ▁in ▁the ▁same ▁area . ▁The ▁cave ▁can ▁be ▁seen ▁on ▁the ▁hill ▁side , ▁but ▁is ▁not ▁accessible , ▁due ▁to ▁a ▁gr ate ▁protect ing ▁it . ▁ ▁Today ▁Today , ▁the ▁hills ▁are ▁a ▁popular ▁tour ist ▁site , ▁featuring ▁the ▁restored ▁medieval ▁Reichs burg ▁Ky ff hausen ▁complex , ▁including ▁a ▁small ▁museum ▁and ▁the ▁castle ▁well , ▁at ▁ ▁depth ▁said ▁to