Dive into centuries of Croatian history as you explore its medieval cities, tranquil lakes, and quaint local villages. Begin your exploration with two nights in Opatija, the “Riviera of Croatia” and an Istrian gem. Explore Plitvice Lakes National Park by foot and by boat, a place where waterfalls cascade down sheer cliffs connecting sixteen pristine lakes. Click here for details: gateway.gocollette.com/Gateway/Trip/1042264