Oct 2 '18 Williamsburg’s Newest Pizza Place: Mellow Mushroom to Open October 8 at Merchant’s Square Mellow Mushroom, the popular pizza and beer franchise known for its eclectic, themed-based original art, is expected to open in Colonial Williamsburg’s Merchant Square on October 8, 2018. Its owner, retired Naval Aviator Gray Nelson, was a Mellow Mushroom fan long before becoming a franchisee. “In 2002, my wife and I were in Destin, Florida […]