District of Columbia (Washington D.C):

District of Columbia or just D.C is not a state, but a federal district and the capital of the United States of America. This city has great history and can offer you many amazing landmarks, sights and monuments. Washington is a must see city in the USA, but also in the World. All the American power with president and government have its head seat in and around Washington D.C, so this city is one of the most important cities in the USA.

            The Statechaser diamond: 

            Spend some time in Potomac Park!