Beautiful cathedral, a must see when you are staying in Ypres. The church was rebuilt after World War I. Saint Martin’s Catheral actually is no longer a cathedral, but it still feels like one.

Saint Martin’s Cathedral, Vandenpeerboomplein, Ieper (Ypres), Belgium
http://www.toerisme-ieper.be/item.php?itemno=485_465_142_145_229_226_191&lang=EN

Visited October 2014. You can find my review about Saint Martin’s Cathedral also on TripAdvisor.