Mt. Zion United Methodist Church

Historical marker location:

1336 29th St NW, Georgetown, District of Columbia

( Marker is on 29th Street Northwest just north of Dumbarton Street Northwest, on the left when traveling north.)

The city was built on a swamp: The area that is now Washington, D.C. was originally a swampy, marshy region along the Potomac River. The construction of the city involved extensive drainage and landfill projects to make the land suitable for building.