You can sign up to do a tour of The Pentagon
Arlington National Cemetery
Arlington National Cemetery is just across the river from here.
People may want to pay their respects at the President John F. Kennedy Gravesite.
This is on the opposite side of the water from the Thomas Jefferson Memorial.
The Martin Luther King, Jr. Memorial is one of the newer sites.
The Franklin Delano Roosevelt Memorial is really a great spot.
The National Mall is where you will find this and other memorials.