The Wharton Esherick Museum holds it's 20th annual Woodworking Contest, and Opening Reception/Annual Member's Party on September 8, 2013 in Paoli, Pennsylvania near Philidelphia .  This year's theme for the contest is birdhouses.  All woodworkers--professional, hobbiest or student--were eligible for the contest. The items were to be primarilly made of wood and were selected based on artistry, function, and expression of non-traditional, imaginative new design.  The judges are Dr.