1. Travel

Underground City: What Lies Beneath Downtown Montreal

Photos of the Largest Underground City in the World


underground city montreal photos largest in the world ville souterraine

Above: artist Christian Kiopini's 'Stratifications pariétales', a permanent installation in Montreal's underground city. The subterranean network is the largest of its kind in the world, spanning 33 kilometres (20.5 miles) underneath the downtown core.

Photo © Evelyn Reid

©2014 About.com. All rights reserved.