10 Must-visit Cities in the United States

10 Philadelphia (the mosthistoric city)

Philadelphia islocatedinsoutheasternPennsylvania, USA. It is one of the oldest andmost historic cities in the United States. lt playsa very important role in the history of the UnitedStates. lt is also known as the "City ofFriendship" and is also one of the famous touristcities in the United States.

MoreoverPhiladelphia is also listed as a World HeritageCity, becoming the first American city to be listedas a World Heritage City. Philadelphia hasIndependence Hall， Liberty Bell， PhiladelphiaMuseum of Art, Philadelphia City HallPhiladelphia Zoo,University of PennsylvaniaRittenhouse Square, Magic Gardens and otherattractions