12 Ghostly Industrial Relics: Factories & Mines Frozen in Their Prime

9. Gunkanjima Conveyor Tunnel, Japan

Part of the greater Hashima Island complex, the underground conveyor tunnel that once transported coal is one of its most haunting structures. The tunnel snakes through the rock like a rust-clad artery, stretching from the mine shaft to the port. Its steel skeleton remains chillingly intact—silent, oxidized, and echoing with imagined motion. Walking through it (if permitted) is like traveling through the throat of a dormant machine. Water drips. Light fades. It’s claustrophobic, surreal, and deeply compelling. As the coal era fades into history, this tunnel feels like the final whisper of a forgotten engine.