While the TV investigation offers a dramatic look at the site, you can visit these tunnels in person through local tours in Portland. Location : 226 NW Davis St, Portland, OR 97209

: Much of the investigation takes place beneath Hobo’s Restaurant (now Old Town Pizza), where the crew unearths visual and audio evidence. Paranormal Evidence :

: The team explores the tragic story of Nina, a former prostitute whose spirit is said to haunt the tunnels after she was found dead at the bottom of an elevator shaft.

: Offers broader walks through the city's haunted landmarks, including the tunnels. Where to Watch

: These tours take you beneath the historic pizza parlor to explore the hidden history and hauntings of Old Town Portland. Portland Ghost Tour

In the Season 6 premiere of , titled " Shanghai Tunnels " (originally aired March 9, 2012), Zak Bagans, Nick Groff, and Aaron Goodwin travel to Portland, Oregon, to investigate the city's notorious underground network. The episode focuses on the dark history of the tunnels, which were allegedly used in the 19th and early 20th centuries to "shanghai" (kidnap) unsuspecting victims and force them into labor on ships. Investigation Highlights

: A door rattles unprovoked, and the team hears phantom footsteps.