1. Free pickup and drop off at IAD and DCA airports!2. Visit the heart of superpower country: the White House (outside), inside Tour of U.S. Capitol and the Library of Congress.3. Tour in Lincoln Memorial, Korean War Memorial and Vietnam Veterans Memorial. Visit National Air& Space Museum.4. Take the Sightseeing National ferry cruise of Washington D.C. 5. Visit the birthplace of US Constitution and American democracy – Philadelphia; Tour in Amish village, experience the primitive ecology way of life. 6. Tours in New York City within the shortest time: One World Observatory, Times Square, USS Intrepid, and Liberty Cruise.