Alleghenies

: A massive protected area in Pennsylvania offering thousands of miles for hiking, camping, and wildlife watching . Historical and Industrial Legacy

: The Allegheny Portage Railroad was a 19th-century marvel that used inclined planes to haul canal boats over the mountains. alleghenies

: An 17.6-mile trek through history featuring two dark, damp, and abandoned tunnels (Sideling Hill and Ray's Hill) left behind when the highway was rerouted. : A massive protected area in Pennsylvania offering