Cristoforo Colombo

Historical marker location:

595 1/2 3rd Street Northwest, Judiciary Square, District of Columbia

( Marker is at the intersection of 3rd Street Northwest and F Street Northwest, on the right when traveling north on 3rd Street Northwest.)

Holy Rosary Church

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.