City of Zagreb is one of the oldest European cities, and serves as the economic, diplomatic and cultural center of Croatia. It is a city of science and culture, with 50 museums and galleries, 20 theatres and music venues. Walking down the streets of Zagreb, you can admire the architecture which mostly dates back to the Austro-Hungarian Empire. The city of Sibenik is a historic town along the Adriatic Coast. Smaller than Zadar or Split, Sibenik is a gem to be seen and experience it’s ancient city walls, steep and narrow cobbled streets, picturesque views, and the crystal clear sea. The Cathedral of St. James in Sibenik is recognized as a UNESCO World Heritage, and the only one in Europe constructed only of stone.