Discover Washington, D.C. from 1950s through film footage and narrative, including George Washington's slaves "living happily in their quarters." Watch the video to explore this fascinating era.

This is from the Georgetown University archives showing a group of young men gathered in a dorm room in 1913.

A herdic cab is a type of horse-drawn carriage, used as an omnibus, invented by Peter Herdic of Williamsport, Lycoming County, Pennsylvania in 1881.

Take a look at this remarkable view down Pennsylvania Avenue in Washington, D.C. in about 1921. See the stunning photo and learn more about this historic view of the U.S Capitol.

This amazing old photograph of the intersection of 14th St. and Pennsylvania Ave., where the Willard Hotel sits, has some amazing details. Click to see them and be blown away!

Take a closer look at this detailed map of Georgetown from the Library of Congress. Click on the image for greater details and find out more about this historic map.

Check out this old photo of Georgetown's flooding and the Potomac River in 1918. Read more about it at The Georgetown Metropolitan.

Look back in time to 1855 and get a fascinating bird's-eye view of Georgetown, D.C. in this beautiful painting. Source: Library of Congress.

This lovely old image shows the site of the National Archives early in the construction process. It was taken on July 1st, 1932.

Discover the history of National Airport with a fascinating look back at the old terminal building in 1941. From its humble beginnings as Hoover Field to its critical role in World War II and subsequent expansion, learn about the changes that have shaped this important transportation hub in the heart of the nation's capital.