▁development . ▁The ▁Mag no ▁Pal azzo ▁is ▁the ▁six teenth ▁expansion ▁in ▁the ▁forms ▁of ▁the ▁Italian ▁Renaissance , ▁wanted ▁by ▁the ▁Prince ▁Bishop ▁and ▁Card inal ▁Bern ardo ▁C les io ▁( 1 4 8 5 - 1 5 3 9 ), ▁the ▁third ▁part , ▁in ▁the ▁southern ▁end ▁of ▁the ▁complex ▁is ▁the ▁known ▁E agle ▁tower , ▁which ▁pres erves ▁the ▁famous ▁Cy cle ▁of ▁the ▁Month s , ▁one ▁of ▁the ▁most ▁fasc in ating ▁p ict orial ▁cycles ▁of ▁prof ane ▁late ▁Middle ▁A ges . ▁ ▁Bishop ▁George ▁of ▁Lie chten stein ▁was ▁the ▁first ▁to ▁en large ▁the ▁castle , ▁in ▁the ▁late ▁ 1 4 th ▁century , ▁turning ▁it ▁into ▁a ▁well - sty led ▁residence . ▁The ▁Cast el vec chio ▁was ▁further ▁modified ▁by ▁Johannes ▁H inder bach , ▁who ▁had ▁the ▁double ▁log gia ▁Goth ic ▁entrance ▁gate ▁built . ▁In ▁the ▁first ▁dec ades ▁of ▁the ▁ 1 6 th ▁century , ▁Bishop ▁Bern ardo ▁C les io ▁had ▁a ▁new ▁residence , ▁called ▁Pal azzo ▁Mag no ▁(" Gr and ▁Palace ") ▁built ▁in ▁Renaissance ▁style ▁alongside ▁the ▁old ▁castle . ▁The ▁last ▁great ▁addition ▁was ▁the ▁so - called ▁Gi unta ▁Albert iana , ▁from ▁the ▁name ▁of ▁Bishop ▁Francesco ▁Al ber ti ▁Po ja ▁( 1 6 8 6 ), ▁with ▁which ▁the ▁Cast el vec chio ▁and ▁the ▁Pal azzo ▁Mag no ▁were ▁un ited ▁ ▁The ▁castle ▁remained ▁the ▁seat ▁of ▁the ▁Prince