Completed in 1875, the Hoosac Tunnel was known to those who built it as the bloody pit owing to the 195 people that were killed during its construction.

Today people are warned not to venture into the tunnel, but not only because you might get hit by a train...

Written by Neil McRobert and produced by Richard MacLean Smith

Find us at youtube.com/@unexplainedpod, tiktok.com/@unexplainedpodcast, twitter @unexplainedpod, facebook.com/unexplainedpodcast or www.unexplainedpodcast.com for more info. Thank you for listening.