Tunnels on RadučThe Tunnels on Raduč are a complex of World War Two military underground tunnels dug deep in the hill Raduč, Murter.UseDuring World War II, the tunnels were used as a military hiding spot. The bunker had three cannons that were supposed to defend Murter and that part of the Croatian coast) from Italian warships.TodayThe tunnels are a popular tourist destination. They are not lighted, so tourists need to bring flashlights. Around 20% of them are inaccessible, since the deepest parts were accessible only by ladders that have collapsed.