Philadelphia is a city of neighborhoods and history. Swanky Rittenhouse Square was built around one of the five parks originally planned by William Penn. Ben Franklin, John Hancock, and many other Founding Fathers gathered in Old City to write the Declaration of Independence, and then to host the new government of the United States. But what really makes this city so special? People from all over the world have immigrated to Philadelphia, once for its booming port and industry, and now for its art and museums. Regardless of their backgrounds, Philadelphians find common ground in their sports teams, their pride in their cheesesteak rivalries, their stellar comedy clubs, and their fighting spirit. Find out what ties this city's diverse neighborhoods into one City of Brotherly Love.