Archaeologists debated the age and purpose of the ruins for years — but not anymore. Take a look at their recent finds.

Nick Angeloff, an archaeologist at Cal Poly Humboldt, has called the developments at Gradishte a once-in-a-lifetime discovery ...

A 2,300-year-old coin found at the Gradishte site ... archaeologists identified Gradishte as a forgotten city established by ancient Macedonians before the rise of the Roman Empire.