(DC) (National Park Service) Join a Park Ranger for a relaxed 1.5-hour relaxed kayak tour just north of the Georgetown Waterfront  Discover hidden stories of the Potomac River Explore the river's unique ecology  Keep an eye out for turtles, herons, and maybe even a bald eagle  Whether you're a history buff, nature lover, or just in it for the views, this is your chance to see the city from ...