The Potomac River is being flooded by fecal matter in one of the largest sewage spills in U.S. history.

The second span of Long Bridge will double rail capacity across the Potomac. It’s not the first attempt to increase capacity by building a second rail crossing of the river in the District: During ...

Origins -- Canals and Commerce -- The Colonial Frontier -- Antietam : The Bloodiest Day -- Harpers Ferry -- The Piedmont -- Great Falls -- The Clara Barton Parkway -- The GW Parkway -- Washington and ...