1 Museum New visit tour! Roaming through the halls of this former tobacco warehouse, you will learn everything about the history of the port of Dunkirk in a playful approach through scale models, paintings and multimedia. 3 Ships 3 ships on the tour! The Duchesse Anne, biggest 3-master in France (dating from 1901), the lightship Sandettié, whose purpose was to signal sandbanks at sea, and finally the flatboat Guilde, which will bring you to the world of inland waterway shipping. 1 Lighthouse: After having discovered the exhibition on navigational aids, climb the stairs to enjoy a breathtaking view of the city, port and the sea from a height of 60m.