This custom mid-century modern in Quaint Acres in Silver Spring backs up to the Northwest Branch and Rachel Carson Greenway trails. Carson, who lived in the neighborhood, wrote “Silent Spring,” the book that helped spur environmental awareness in this country. The listing says the custom home was “designed by William Shoemaker, a protege of Frank Lloyd Wright, and modeled after Wright’s Fallingwater in Pennsylvania.” The home sits near the end of of a cul-de-sac and backs up to the parkland. The listing says the house is open today from 2 to 4 p.m.