4Washington, D.C.

As the capital of the United States, Washington, D.C., is a city rich in history, politics, and culture. The National Mall, a park stretching from the Lincoln Memorial to the U.S. Capitol, is home to many of the city’s most famous landmarks. Visitors can explore the Washington Monument, the Vietnam Veterans Memorial, and the iconic Lincoln Memorial.

Washington, D.C., is also home to numerous museums, many of which are part of the Smithsonian Institution and free to the public. The National Museum of American History, the National Air and Space Museum, and the National Gallery of Art are just a few must-sees.