Oliver Lavery is an English mythologist, folklorist, traveling professional storyteller, and host of The Story Crow YouTube channel from Wiltshire County, England, the home of Stonehenge. For this summer solstice special, our return guest describes our recent trip to Avebury, Britain's largest Neolithic complex with its stone circles, village-sized henge [ditch], passage graves and giant manmade mound. First we've got to know, who built these mysterious megaliths & ancient earthworks; and...