▁birth s ▁Category : De utsch e ▁Gr amm oph on ▁artists ▁Category : L iving ▁people ▁Category : Ö sterreich ischer ▁K amm ers änger ▁Category : M embers ▁of ▁the ▁Bav arian ▁Maxim ilian ▁Order ▁for ▁Science ▁and ▁Art ▁Category : 2 0 th - century ▁opera ▁sing ers ▁Category : 2 0 th - century ▁male ▁sing ers <0x0A> </s> ▁Ma qu ok eta ▁C aves ▁State ▁Park ▁is ▁a ▁state ▁park ▁of ▁Iowa , ▁United ▁States , ▁located ▁in ▁Jackson ▁County . ▁It ▁stands ▁north west ▁of ▁the ▁city ▁of ▁Ma qu ok eta . ▁In ▁ 1 9 9 1 ▁ ▁on ▁the ▁east ▁side ▁of ▁the ▁park ▁were ▁listed ▁as ▁a ▁historic ▁district ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places . ▁ ▁Description ▁The ▁park ▁contains ▁more ▁c aves ▁than ▁any ▁other ▁state ▁park ▁in ▁Iowa . ▁A ▁trail ▁system ▁links ▁the ▁c aves , ▁form ations , ▁and ▁over look s ▁while ▁providing ▁a ▁scen ic ▁h ik ing ▁experience . ▁Many ▁areas ▁on ▁these ▁tra ils ▁have ▁seen ▁new ▁construction , ▁making ▁the ▁journey ▁to ▁the ▁c aves ▁sa fer . ▁Most ▁of ▁the ▁c aves ▁may ▁be ▁entered ▁by ▁persons ▁of ▁average ▁physical ▁ability , ▁but ▁some ▁are ▁more ▁advanced . ▁ ▁However ▁the ▁park ' s ▁c aves ▁were ▁closed ▁to ▁humans ▁between ▁ 2 0 1 0 ▁and ▁April ▁ 2 0 1 2 ▁in ▁the ▁hopes ▁of ▁protect ing ▁the ▁resident ▁b ats ▁from ▁white ▁nose ▁synd rome . ▁▁ ▁The