From the African American Civil War Museum to the Marriott Corp., take the latest quiz from Cultural Tourism DC on our Washingtology page. Think you know everything there is to know about Washington? Answer all five questions correctly to claim the title of Washingtologist.

The African American Civil War Museum, founded by former D.C. council member Frank Smith, has moved into a new building. (Astrid Riecken/For The Washington Post)

— Washington Metropolitan Area Transit Authority (Metro)

— U.S. Department of Defense

— Smithsonian Institution

— D.C. Department of Parks and Recreation

Do you think you know the answer? Go to our Washingtology page to find out and take the rest of the quiz.

Do you think you have questions no one else will be able to answer? Share them with us (along with the answers) in the comments section below.