Center of the United States government, Washington DC is defined by tall buildings and historical monuments. Start your DC tour at Capitol Hill, the seat of power of the American legislature. The marble statue of President Abraham Lincoln at the Lincoln Memorial is one of the iconic landmarks of Washington DC. Visit the memorial at night for its stunning views. Catch a peek of the sprawling White House, the official residence of the President of the United States of America. Watch a case in action at the Supreme Court, attend a talk on the history of the building and proceedings of the court. The National Air and Space Museum offers a treasure trove of information on aviation and space. The Wright Brothers Flyer, Apollo 11 command module are some of the most popular exhibits in the museum.