Delaware Avenue & Columbus Circle, NE
Historical marker location:
50 Massachusetts Avenue Northeast, Capitol Hill, District of Columbia
( Marker is at the intersection of Columbus Circle Northeast and Delaware Avenue Northeast, on the right when traveling east on Columbus Circle Northeast.)
Historical Information
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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.