Discover the highlights of historical Split, explore Omis, a traditional Dalmatian town and take in Croatia's natural beauty on a boat ride up the scenic Cetina River. Enjoy a short guided tour of the quaint town of Omis, before boarding a riverboat to float down the stunning Cetina River. Take in the essential sights of Old Town Split on a guided walk, and experience the rich cultural heritage of Diocletian's Palace, a proclaimed UNESCO World Heritage Site.