Region
Pennsylvania
Washington (D.C.)
8
United States
4
Philadelphia
3
Maryland
2
New York (State)
2
Philadelphia (Pa.)
2
Atlantic States
1
Chautauqua Co
1
Chesapeake and Ohio Canal (Md. and Washington, D.C.)
1
Chestnut Street (Philadelphia, Pa.)
1
Delaware
1
Independence National Historical Park (Philadelphia, Pa.)
1
Jamestown
1
New Jersey
1
New York
1
New York (N.Y.)
1
Penn
1
Southern boundary of the United States
1
Virginia
1