Troy
unknown (Greek (ancient...
Hisarlik, Marmara, Turk...
ca. 3000 BCE-400 CE (in...
Stonehenge [site]
Unknown (European)
Stonehenge, Wiltshire, ...
ca. 3200-1600 BCE (crea...
![Stonehenge [site]](https://images-prod01.lib.ncsu.edu/des/Size2/NCSULIB-1-NA/1602/1A3-P-E-ST-A1.jpg)