King of Prussia is also the location of the Valley Forge Casino Resort , which has over 500 hotel rooms , 600 slot machines , table games , sports betting , seven restaurants , a spa , nightlife , a convention center , and a seasonal poolside club called Valley Beach . Valley Forge National Historical Park , which consists of the site where General George Washington and the Continental Army made their encampment at Valley Forge during the winter of 1777-78 in the American Revolutionary War , is located to the west of King of Prussia . King of Prussia is home to the King of Prussia Volunteer Fire Company 9/11 Memorial honoring the lives lost in the September 11 attacks . The memorial , which was dedicated by the King of Prussia Volunteer Fire Company on the 10th anniversary of the attacks in 2011 , consists of two steel beams recovered from Ground Zero at the World Trade Center in New York City . The 9/11 Memorial is located adjacent to the King of Prussia Volunteer Fire Company station on Allendale Road across from the King of Prussia mall
September 11 attacks
September 11 attacks
King of Prussia, Pennsylvania