Slave Labor in the Capital by Bob Arnebeck

In 1791, President George Washington appointed a commission to build the future capital of the nation. The commission found paying masters of faraway Maryland plantations to hire their slaves kept costs low for the building of the city. In 1798, half of the two hundred workers building the two most iconic Washington landmarks, the Capitol and the White House, were slaves.

Cost: Free

Time: 1 p.m.