4 links
National Road Heritage Corridor
nationalroadpa.org
Pennsylvania's Historic National Road, this section includes Fort Necessity, General Braddock's Grave, Nemacolin Castle, numerous museums and historic landmarks.
Pittsburgh River Tradition
gatewayclipper.com
Inland riverboat excursions featuring sightseeing, dinner and specialty entertainment cruises.
The Constitutional
theconstitutional.com
A self-guided walking journey through historic Philadelphia. The 3 mile journey includes sites such as the Liberty Bell, Independence Hall and The Betsy Ross House.