https://www.google.com/url?sa=t&source=web&rct=j&url=https://api.nationalgeographic.com/distribution/public/amp/news/2012/11/121102-gigantism-ancient-skeleton-archaeology-history-science-rome&ved=2ahUKEwiCxZ2Xzb_sAhVDeawKHe-gD5gQFjACegQICRAB&usg=AOvVaw0Er4LsH5dr5fi4pAsdH1ga&cf=1
One of many.
Plus 1 here for kennesaw mountain. I went up there a Sunday morning to hike with the girlfriend and as I was leaving I could smell fresh gunpowder in the air. Not a whiff but a strong smell.