Tunnel Under Former State Hospital – Traverse City, MI admin July 25, 2021 Architecture / TravelBlog The majestic state hospital grounds and complex have been transformed into shops, businesses and condos. Certain buildings as well as the underground infrastructure such as these tunnels are well preserved. You Might Also Like Phi Phi Island – Thailand September 21, 2017 Church through wall – Milos (Μήλος), Greece October 11, 2016 Gateway of India February 8, 2012