Explore Histria Fortress (Cetatea Histria), the most important ancient archaeological site in Romania, founded by Greek colonists from Miletos in 657 BC as their northernmost Black Sea settlement and gateway to the rich lands beyond the Danube. Walk among the extensive ruins that span over 2,600 years of continuous habitation, from the original Greek polis through Roman and Byzantine periods to medieval abandonment, discovering city walls, towers, residential quarters, and sacred precincts that tell the story of ancient commerce and cultural exchange. Visit the excellent on-site museum displaying Greek pottery, Roman sculptures, Byzantine mosaics, and ancient coins that reveal how this strategic port connected the Greek world to Scythian kingdoms and Roman territories, making it a crucial link in ancient trade networks. Explore the impressive fortification system with its massive walls and towers that protected the city through centuries of invasions and political upheavals, while enjoying views over Sinoe Lake and the coastal landscape that provided natural protection and access to the Black Sea trade routes. Learn about the archaeological discoveries that continue to reveal new insights into ancient life, from Greek temples and Roman baths to Byzantine churches and medieval settlements that demonstrate the remarkable continuity of human settlement in this strategic location that controlled access between the Mediterranean world and the barbarian lands beyond the Danube frontier. The fortress is open 8 AM to 8 PM in the summer, but 9 AM to 5 PM in the winter. Tickets can be purchased on site, with prices last reported as $2.32.