The amazing, double-roofed church of St Catherine's, almost entirely built out of wood, dates back to the 15C after the Hundred Years War. Impatient to thank God for the departure of the English, the inhabitants of Honfleur entrusted the construction of their church to ship-builders. As a result, the interior features twin naves, covered by a timber vault upheld by oak columns, reminiscent of an upside-down ship's hull.