Portals To Hell exclusive: Shanghai Tunnels creates pain and heaviness Katrina and Jack cannot shake
Jack Osbourne and Katrina Weidman have returned with a new season of Travel Channel’s Portals to Hell. In this week’s episode, Portals To Hell’s subject is the Shanghai Tunnels, a network of subterranean tunnels built for commerce and found underground in hipster heaven, Portland, Oregon. But why were they built, and what paranormal malfeasance exists?