Two tours to the likely locations of five forts, known as redoubts, hastily assembled during the Civil War, will be held Saturday.
The 20-inch Rodman cannon, built at the Fort Pitt Foundry, could hurl a half-ton ball more than four miles.
An unusual public-private partnership provides considerable private funding at the Gettysburg National Military Park.
A new pedestrian trail in Gettysburg provides a safe route for throngs visiting the Civil War battlefield.
Speakers at the 100th anniversary of the war's biggest battle stressed the ongoing campaign on behalf of minorities.
The ramp will close at 8 p.m. Friday and reopen by 5 p.m. Sunday. Crews will seal pavement cracks.
The event will feature a living-history encampment, period music and first-person talks by Union and Confederate re-enactors.
The Gettysburg Foundation and National Park Service are restoring Spangler Farm to its 1863 look.
The descendant of three Southern soldiers in a famous Civil War photo will speak at a news conference for the Gettysburg stamp's unveiling.
Plans for the 150th anniversary of the famous battle include heightened security.