Sweep up and down the curving stairway in this contemporary flagship while on the prowl for the classic, distinctively patterned silk scarves and neckties, the coveted Kelly and Birkin handbags, or the beautifully simple separates. True to its equestrian roots, Hermès still stocks saddles and dressage items. Subway: N, R, W, 4, 5, 6 to 59th St./Lexington Ave.