|
 The Cathedral of Learning, Pittsburgh |
 At Washington Crossing State Park |
 The Drake Well Museum in Titusville |
 At the Gettysburg National Military Park |
 The City of Philadelphia |
 A Corn Field in Pennsylvania |
 Near Lancaster, Pennsylvania |
 Grey Towers National Historic Site |
 Near Elverson in Chester County |
 In Delaware Water Gap National Recreation Area |
 McConnell’s Mill State Park |
