Enjoy a 2 hour skip the line guided walking tour of saint marks basilica saint marks square and the doges palacebe intrigued by the fascinating history of la serenissima and discover what it is like to livein this unique city walking around this open air museum our informative guide will takeyou to the external sights of saint marks square the doges palace the sansovinolibrary the bell tower the incredible legends of the clock tower and the bridge of sighsand its adjoining prison