The C&O NHP has over 1,300 historical structures, which represents 5% of all such structures in the entire National Park system. This Gallery shows a lot of the variety, including locks, lockhouses, Great Falls Tavern, aqueducts, and finally the extraordinary Paw Paw Tunnel.
Structures *
Read MoreUpdated February 2021
Photographs Copyright © Roy Sewall 2001-2021