SOLD OUT . MacArthur Falls features one of the last great locations in Potomac, at the intersection of MacArthur Boulevard and Falls Road. The natural setting walking distance from Great Falls and the C&O Canal is minutes from the Old Angler’s Inn and the Beltway, as well as the Village and downtown Bethesda. Westfield Shoppingtown and Wildwood Shopping are nearby, as are fine schools and superb recreation including Cabin John Park.