PhiladelphiaX-Factor database file. 968 files available.
Philadelphia is home to many national historical sites that relate to the founding of the United States. Independence National Historical Park is the center of these historical landmarks. Independence Hall, where the Declaration of Independence was signed, and the Liberty Bell are the city's most famous attractions. Philadelphia's economic sectors include manufacturing, oil refining, food processing, health care and biotechnology, tourism and financial services.
Major EventsMajor LocationsMajor OrganizationsMajor PeoplePlots & MissionsImages | ||||||||||||||||||||||||||