5 Montreal Underground City Tours That Explore RESO, the Subterranean City

Did you know that there’s a second city lurking just beneath Montreal? Dubbed RESO (RÉSO), shorthand for the French term reseau or network, this massive subterranean ‘city’ stretches for around 20 miles. At its deepest, it descends four floors into the earth, and is home to over 1,500 stores. It’s got 120 entry points, including […]