Less deep history, but a similar looking tunnel in Pennsylvania - https://en.wikipedia.org/wiki/Abandoned_Pennsylvania_Turnpike https://en.wikipedia.org/wiki/Ab

Less deep history, but a similar looking tunnel in Pennsylvania - https://en.wikipedia.org/wiki/Abandoned_Pennsylvania_Turnpike https://en.wikipedia.org/wiki/Abandoned_Pennsylvania_Turnpik... . The most interesting thing about it is probably that it was used to film The Road. They make for nice conversions to bike paths and hiking trails at least?