Portland's Forgotten Tunnels & Trapdoors

Portland's Forgotten Tunnels & Trapdoors (Shanghai Tunnels Explained)

The Dark History Of Shanghai Tunnels In Oregon: Cannibals And Apparitions | Portals to Hell

Secret WW2 Tunnels, Portland. Underground Naval Operational Centre & fuel storage. Air Raids 23 mins

Portland’s Dark Underground History (Shanghai Tunnels)

Portland Noir: A look at what really happened in Portland's sordid past | Oregon Experience

Oregon Public Broadcasting

EXPLORE The Secret underground tunnels. HMP Verne PORTLAND DORSET

Remnants of Portland's Unbuilt Freeways

The Creepiest Tunnels in Portland

Steve the Historian

Exploring Portland's Underground Tunnels

Tayler Nicholas

"The Tunnels Beneath Portland Hide a Terrible Secret" Creepypasta

FULL DOCUMENTARY: PORTLAND'S HAUNTED AND ABANDONED MOUNTAIN

Steve the Historian

Where We Live: Portland's Shanghai Tunnels

The TERRIFYING History Behind Portland's Shanghai Tunnels ~ 13 Nights of Fright

The Most Unique Rotor Radar Underground Bunker in the UK - PORTLAND BILL

Ghost Story - Ghosts Inside the Abandoned Tunnels of Portland

Hometown Ghost Stories

Nonprofit behind 'Shanghai Tunnels' tour loses access to Portland's underground

Shanghai Tunnels Portland Underground

Portland's Shanghai Tunnels: Kidnapping, Ghosts, and A Pint of Beer?

Curious Americana

Nowhere Video's "Shanghai'd: The Portland Underground" - The Shanghai Tunnels

Nowhere Video Productions

Portland’s Dark Past Still Lives On? - A History of the Shanghai Tunnels | The Haunted ~ ep. 1