[dead link]Fortress of Louisbourg, 259 Park Service Rd, ☎ +1 902 733-2280. Louisbourg. This is a reconstruction of the 18th-century fortified French town whose presence plagued the British colonies of New England. Its busy harbour was once one of France's most signifiant economic and military assets in North America. If you enjoy the colonial restoration at Williamsburg in the United States, don't miss Louisbourg. 1 May-30 Jun, 9:30AM-5PM. 1 Jul-31 Aug, 9AM-5PM. 1 Sep-15 Oct, 9:30AM-5PM. Closed 1 Nov-3 Apr.