The Lille City Pass (24/48/72 hours €25/35/45) gets you into almost all the museums in greater Lille and affords unlimited use of public transport. The 72-hour option throws in sites in the surrounding area, including Arras, Dunkirk and Cassel, and free use of regional TER trains for 24 hours. Buy it at Lille's tourist office or through its website.
International Currency Exchange In Hall 3 of Gare Lille-Europe.
Tourist Office Inside what's left of the Flamboyant Gothic–style Palais Rihour, built in the mid-1400s. It has free city maps, an excellent map outlining walking tours of the city's quartiers (quarters/neighbourhoods), and details on Lille's rich cultural life.