Varna, a port city and seaside resort on Bulgaria’s Black Sea, is considered the sea capital of Bulgaria. With vibe of a modern metropolitan city, you only have to walk a few steps from the hustle and bustle to find forgotten side streets and ancient Roman ruins. The city is known for the "Gold of Varna"--6,000-year-old Thracian jewelry discovered in a necropolis--displayed at the Archaeological Museum. In the summer, Varna comes alive as a European cultural center, hosting the world-renowned Varna Summer International Festival and many other events.