es fort , ▁Dun bell ▁big ▁and ▁T ull aro an ▁all ▁contain ▁ring ▁for ts ▁protected ▁by ▁pres ervation ▁order . ▁ ▁The ▁round ▁stone ▁tower ▁is ▁one ▁feature ▁of ▁early ▁historic ▁architecture ▁not ▁usually ▁found ▁outside ▁Ireland ▁with ▁only ▁three ▁in ▁Scotland ▁and ▁one ▁on ▁the ▁Is le ▁of ▁Man . ▁The ▁tower ▁at ▁St ▁Can ice ' s ▁C athedral ▁in ▁Kil ken ny ▁City ▁is ▁a ▁good ▁example . ▁Other ▁round ▁to wers ▁are ▁situated ▁around ▁the ▁county ▁such ▁as ▁T ulla her in ▁round ▁tower , ▁one ▁near ▁Ben net ts bridge , ▁K ells , ▁John st own , ▁and ▁Ag hav iller ▁near ▁Kno ck top her . ▁ ▁Cast les ▁ ▁Kil ken ny ▁Castle ▁is ▁a ▁castle ▁in ▁Kil ken ny . ▁It ▁was ▁the ▁seat ▁of ▁the ▁Butler ▁family . ▁Form er ly ▁the ▁family ▁name ▁was ▁Fitz W alter . ▁The ▁castle ▁was ▁sold ▁to ▁the ▁local ▁Castle ▁Rest oration ▁Committee ▁in ▁the ▁middle ▁of ▁the ▁ 2 0 th ▁century ▁for ▁£ 5 0 . ▁Short ly ▁afterwards ▁it ▁was ▁handed ▁over ▁to ▁the ▁State , ▁and ▁has ▁since ▁been ▁ref urb ished ▁and ▁is ▁open ▁to ▁visitors . ▁Part ▁of ▁the ▁National ▁Art ▁Gallery ▁is ▁on ▁display ▁in ▁the ▁castle . ▁There ▁are ▁orn amental ▁gard ens ▁on ▁the ▁town ▁side ▁of ▁the ▁castle , ▁and ▁extensive ▁land ▁and ▁gard ens ▁to ▁the ▁front . ▁It ▁has ▁become ▁one ▁of ▁the ▁most ▁visited ▁tour ist ▁sites ▁in ▁Ireland . ▁