Take a look back in time with this old photograph of the General Post Office on F Street in Washington, DC during the 1860s. Glimpse a piece of history and see what DC looked like over 150 years ago!
Explore the mystery behind Abe Lincoln's 1865 Inauguration Ball invitation, which stipulated a two to one ratio of ladies to gentlemen. Was he trying to tip the scales in favor of his male advisors?
