The 1908 Tacoma Armory at 715 S 11th Street, Tacoma WA takes up the entire block. Until 2011 it was the home of the National Guard, but its been vacated and is now available for lease (see the link). Over its history, it was visited by three president, William Howard Taft, Woodrow Wilson and Harry Truman. It was placed on Tacoma’s Registry of Historic Places in 1976.

http://washingtonguard.org/rent/cities/tacoma.htm