Here are a list of History Related sites in the Pittsburgh Area (or at least in PA).             

*( Please inform me of any problem with a link)

Falling Water

Rachael Carson Homestead

Tour-Ed Mine

Soldiers and Sailors Museum

Bushy Run Battlefield

Drake's Oil Well

Heinz History Center

Fort Pitt Museum

the warhol

Fort Ligonier

Fort Necessity

Jumonville Glen

David Bradford House

The Trolly Museum

Carneigie Museum of Natural History

The Frick

Rivers of Steel

Nationality Rooms - University of Pittsburgh

Meadowdroft Rock Shelter

PNC Park Tour

Heinz Field Tour

Old Economy Village

Duquesne Incline

Gateway Clipper

Lemoyne House

McConnell's Mill

Old Bedford Village

Johnstown Flood Memorial

Pittsburgh Renaissance Festival

Penn's Colony Festival

Erie Maritime Museum