Tunnel hill tunnel.
Tunnel hill tunnel.
Another from Ferne Clyffe state park.
This thing is magnificent. Great place for creepy themed photo shoot.
Camping in the fall at Bell Smith Springs Campground at Shawnee National Forest. #Trovember #Illinois #ShawneeNationalForest #Camping 

Read my full outdoor travel guide here 👉 https://thewalkingmermaid.com/blog/shawnee-national-forest-illinois