A new interactive map shows how parts of Washington state could be submerged underwater as sea levels rise due to climate ...

Map showing Smithsonian museums located around the perimeter of the National Mall in Washington, D.C., from 3rd to 15th Streets between Constitution and Independence Avenues, approximately 1 mile (1.6 ...

“The Comp Plan is a long-term vision and roadmap for the District’s future. The Comp Plan guides city decisions on where we locate housing and jobs and where and how we invest in transportation, ...

Seattle is located on peninsula surrounded by several different waterways: Puget Sound to the west, Elliott Bay to the south and Lake Washington to the east. Salmon Bay, Lake Union and Union Bay ...

There are nearly 700 U.S. counties that voted for President Obama in 2008 and 2012. A surprising number of them went for Donald Trump in 2016. This graphic charts out where these counties are ...