▁s ights ▁The ▁castle , ▁built ▁by ▁the ▁counts ▁of ▁Cast el bar co ▁in ▁the ▁ 1 3 th – 1 4 th ▁centuries , ▁and ▁later ▁en larg ed ▁by ▁the ▁Ven et ians ▁during ▁their ▁rule ▁of ▁R over eto . ▁The ▁Italian ▁War ▁museum ▁( M use o ▁St or ico ▁Ital iano ▁della ▁Guerra ) ▁is ▁located ▁inside ▁the ▁castle . ▁The ▁Italian ▁War ▁Museum ▁was ▁founded ▁in ▁ 1 9 2 1 ▁in ▁rem emb rance ▁of ▁the ▁First ▁World ▁War ▁and ▁in ▁it ▁are ▁preserved ▁arms ▁and ▁documents ▁rel ating ▁to ▁wars ▁from ▁the ▁ 1 6 th ▁to ▁the ▁ 2 0 th ▁centuries . ▁The ▁mighty ▁bell ▁Maria ▁Dol ens , ▁one ▁of ▁the ▁largest ▁outside ▁Russia ▁and ▁East ▁Asia , ▁and ▁the ▁second - larg est ▁swing ing ▁bell ▁in ▁the ▁world ▁after ▁the ▁St . ▁Peter ' s ▁Bell ▁of ▁the ▁C ologne ▁C athedral . ▁Maria ▁Dol ens ▁(" the ▁gr ieving ▁Virgin ▁Mary ") ▁was ▁built ▁under ▁the ▁insp iration ▁of ▁a ▁local ▁priest , ▁between ▁ 1 9 1 8 ▁and ▁ 1 9 2 5 , ▁to ▁comm emor ate ▁the ▁fallen ▁in ▁all ▁wars , ▁and ▁to ▁this ▁day ▁it ▁sounds ▁for ▁the ▁dead ▁every ▁day . ▁Origin ally ▁a ▁patri otic ▁rather ▁than ▁pac if ist ▁idea , ▁it ▁is ▁today ▁regarded ▁as ▁a ▁shr ine ▁to ▁peace . ▁M ART , ▁the ▁Museum ▁of ▁Modern ▁and ▁Contempor ary ▁Art ▁of ▁Tr ento ▁and ▁R over