The underground city is one continuous mall that spans 7 metro stations in the downtown area. Famous for its endless shops and boutiques and a sanctuary for those who seek to escape the unforgiving summer heat or the bitterness of winter, the underground city is an interesting way to get around the downtown area, great for grabbing some good eats and window shopping some famous stores. The excellent signs present helpful hints at each of the frequent exits onto main streets of Montreal and metro stations.