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Explore Philadelphia's relationship with the underground, as old as the city itself, dating back to when Quaker settlers resided in caves alongside the Delaware River more than three hundred years ago.

Explore the city under the The City of Brotherly Love, which became a national and world leader in the delivery of water, gas, steam, and electricity during the industrial age. The construction of multiple subway lines within Center City took place during the early twentieth century. An intricate subsurface pedestrian concourse was also developed throughout the downtown area for the city's inhabitants. From Thirtieth Street Station and Reading Terminal to the Commuter Rail Tunnel and transit lines that were never built, Philadelphia's infrastructure history is buried under the earth as much as above. Join authors Harry Kyriakodis and Joel Spivak as they reveal the curious aspects of the Quaker City's underground experience.

The free black community of Hinsonville sent its sons to serve the Union when called on. Author Dr. Cheryl Renée Gooch reveals the compelling stories of these brave men and their other Hinsonville comrades.

As members of the Fifty-Fourth Massachusetts Volunteers, brothers Wesley, William and George Jay survived the bloody battle at Fort Wagner, South Carolina, memorialized in the film Glory. George W. Duffy and Stephen J. Ringgold were part of the only black regiment to lead President Lincoln's funeral procession in Washington. William B. Fitzgerald, Abraham Stout, Samuel H. Blake and Isaac A. Hollingsworth fought with troops who cornered Robert E. Lee's army, forcing surrender at Appomattox Court House.