: The Allegheny Portage Railroad was a 19th-century marvel that used inclined planes to haul canal boats over the mountains.
: A flat, well-maintained trail between Ohiopyle and Confluence that follows beautiful rapids and connects to the broader Allegheny Highlands Trail . alleghenies
The mountains have shaped American industry and transportation: : The Allegheny Portage Railroad was a 19th-century
: Areas like Dolly Sods Wilderness feature high-altitude-esque plateaus with stunted trees, heath, and sphagnum bogs typically found in much more northerly latitudes. alleghenies
: A sharp, massive escarpment that serves as the Eastern Continental Divide , separating the Mississippi River and Chesapeake Bay watersheds.