Friendship Estate

Historical marker location:

3756 Wisconsin Avenue Northwest, McLean Gardens, District of Columbia

( Marker is on Wisconsin Avenue Northwest north of Quebec 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.