Roadside Historical Markers Listing

Subject	City	State
Underground tunnels at Neshaminy State Park? [Underground Railroad - Black Alice?, See Comments]	Bensalem	Pennsylvania
Church on Underground Railroad, Invited KKK to Worship	Norristown	Pennsylvania
School of Mary Anna Longstreth was here.	Philadelphia	Pennsylvania
Villa Joseph Marie, a stop on the Underground Railroad?	Holland	Pennsylvania
Home of Free African James Oronoko Dexter was here.	Philadelphia	Pennsylvania
William Penn Inn, part of the Underground Railroad	Wynnewood	Pennsylvania
Episcopal church was stop on Underground Railroad.	Elkins Park	Pennsylvania
Slaves Sold Here, Center City, Philadelphia	Philadelphia	Pennsylvania
Writer David Quammen grew up here; Underground Railroad ran on same street.	Cincinnati	Ohio
P.T. Barnum exhibited 161-year-old slave here.	New York	New York