Where it is from: Northwestern provinces of the Roman Empire When it was made: Second to fourth centuries A.D. Related: Penguin Vessel: 1,600-year-old Nazca depiction of a cold-water Humboldt penguin ...

There are more than 50 theories for the function of this 12-sided, pentagonal-faced bronze object — but archaeologists have never quite figured it out. When you purchase through links on our site, we ...