TransCanada, a large Canadian energy company, has applied for a permit from the Maryland Department of the Environment and Gov. Larry Hogan to build a fracked gas pipeline under the Potomac River ...

1:15 p.m.: Picnic along the trail above the tunnel overlooking the river, or in the grassy spot adjacent to the parking area and river. 3 p.m.: Head west on Route 51 to Lock 75, the last on the ...

Georgetown University finalized an agreement with the National Park Service (NPS) and Washington, D.C. officials to construct ...