Philadelphia is a Historic city of the United States, it has many monuments and the city itself is very attractive. Washington DC is the capital of the United States and it has its own attractions such as the White House, Capitol Hill, Lincoln Memorial, etc... We covered both these cities on 31st August 2013 and a day is not enough to cover a large area like that.
USS New Jersey, at the Delaware River
The White House
The Capitol Hill (US Congress Building)
The Lincoln Memorial