In 1886, Thomas Edison bought a 15-acre estate in New Jersey's Llewellyn Park; today, Glenmont is the only home in the 420-acre community owned by the Park Service
Glenmont, the West Orange, New Jersey, estate that Thomas Edison purchased in 1886 and that is now preserved by the National Park Service (Image credit: Wikimedia Commons) The first-floor den at Glenmont, with windows facing the grounds of Thomas Edison’s West…