National organization cites unchecked development and a lack of regional water-supply planning as causes for concern.

Six years after a reckless driver killed advocate Dave Salovesh on Florida Ave, his legacy continues to inspire. Dave’s tireless work helped to grow the city’s biking culture and accelerate safe ...

The brother of a woman killed alongside her family in a helicopter crash in the Hudson River has said they died "without ...

An efficient and interesting way to see many of the monuments and memorials in Washington, D.C., is on a Monuments by ...

And for many, that’s Washington, D.C. We’re not talking about the D.C. of your middle-school field-trip memories here. Beyond ...

Follow DailyMail.com's coverage for the latest developments on the fatal helicopter crash in New York City which killed six ...

WASHINGTON - A military parade to celebrate ... where the Pentagon and Arlington National Cemetery are located, across the Potomac River and into D.C. Arlington County Board Chair Takis Karantonis ...

D.C. Mayor Muriel Bowser said Monday that the administration had reached out to the city about holding a parade on June 14 that would stretch from Arlington, Virginia, where the Pentagon and Arlington ...

PORTLAND, Ore. — The agency tasked with helping to manage and protect the Columbia River Gorge could be facing a funding cut from the Washington legislature as lawmakers in Olympia grapple with ...

A crane pulled aircraft wreckage out of the Potomac River during recovery efforts on Feb. 3. Credit: Win McNamee/Getty Images The recent spate of accidents in the U.S. has generated concern about ...