American Swedish Historical Museum Benjamin Franklin Museum Betsy Ross House Betsy Ross House Event Hosting Bryn Athyn Historic District Chester County History Center Eastern State Penitentiary Fort Mifflin Glencairn Museum Historic Philadelphia Johnson House Historic Site Mercer Museum & Fonthill Castle Museum of the American Revolution National Museum of American Jewish History Penn Museum Pennypacker Mills Stenton Museum The Academy of Natural Sciences of Drexel University The Weitzman National Museum of American Jewish History Woodmere Art Museum