Independence National Historical Park - 2019
Edgar Allan Poe National Historic Site - 2019
Valley Forge National Historical Park - 2019
Hopewell Furnace National Historic Site - 2019
Steamtown National Historic Site - 2019
Allegheny Portage Railroad National Historic Site - 2020
Johnstown Flood National Memorial - 2020
Fallingwater - 2020
Fort Necessity National Battlefield - 2020
Friendship Hill National Historic Site - 2020
Pittsburgh - 2020
Flight 93 National Memorial - 2020
Delaware Water Gap National Recreation Area - 2021
Eisenhower National Historic Site - 2021
Gettysburg - 2021
