
Through more than 170 works, models and audiovisual displays, explore the history of Thérouanne, a Gallo-Roman city that became the seat of a vast bis...
Discover all the things to do in Saint-Omer when it rains! From cultural visits to shows, workshops and exhibitions, take advantage of a wide choice of indoor activities to make your stay unforgettable, even on a gray day. Click here to see our selection of not-to-be-missed events!