11) How many wards make up the District of Columbia?
12) DC is often referred to by what nicknames?
13) Who wrote the Star-Spangled Banner?
14) Where is the headquarters of the World Bank located in DC?
15) What is the name of DC's professional baseball team?
16) Which river divides the city of Washington, DC?
17) Who designed the Washington Monument?
18) What is the Northernmost point in Washington, DC?
19) How many states border Washington, DC?
20) How many museums are in the Smithsonian Institution?