Washington, D.C. is the only city not a part of a state. However, it is still in the US.
Washington DC
Washington, D.C.
Washington, DC.
The only city in the US that is not in a state is Washington, D.C.
The only Lego city in the us is in legoland in California!
Washington, D.C.
The only US city with only vowels in its name is Aiea, Hawaii. Another city with only vowels in the name is Eiao in Marquesas Islands.
Miami is not a city name special to only the US. There is a Miami in Australia, Canada, and even Iran (also spelt Meyami).
District of Columbia
Washington D.C.
Washington, D.C.
Washington DC