Brian van de Graaff visits The Cooper Mill, a historic restaurant in Old Town, Alexandria on Good Morning Washington.

This $615 million project is key to cleaning up the Potomac River ... by a Catholic school and streets on the edge of Old Town Alexandria. In coming months, the drill will go under the river ...

Approximately 67 people are presumed dead after an Army helicopter and American Airlines passenger jet collided near Reagan ...

NEW YORK (CNN/Money) -- Potomac, Md. has the highest median household income ... The average American is 35.3 years old, according to census data. The average resident of Potomac is 43.8. They ...

An American Airlines plane and a U.S. Army helicopter collided near Reagan National Airport and crashed into the Potomac ...