are  Gowanus Canal and 17th Street Canal: in the same country?
Gowanus Canal The Gowanus Canal is a canal in the New York City borough of Brooklyn, on the westernmost portion of Long Island. Connected to Gowanus Bay in Upper New York Bay, the canal borders the neighborhoods of Red Hook, Carroll Gardens, and Gowanus, all within South Brooklyn, to the west; Park Slope to the east; Boerum Hill and Cobble Hill to the north; and Sunset Park to the south. It is 1.8 mi long. There are seven bridges over the canal, carrying Union Street, Carroll Street (a landmark), Third Street, Ninth Street, Hamilton Avenue, the Gowanus Expressway, and the IND Culver Line of the New York City Subway.
Broad Canal Broad Canal is a short canal in East Cambridge, Massachusetts, previously larger and part of the now-vanished canal system that made Cambridge an active seaport.