One such town is Depot Harbour near Parry Sound, which was once a thriving trade port in Georgian Bay that was left abandoned after a devastating fire. Here's a closer look inside this forgotten trade port town and what's going on with it today. A grainy historyWith his railroad established and Depot Harbour constructed, Booth established one of the most renowned ports on the Great Lakes. This transfer and the 1926 closure of a rail yard and roundhouse ultimately kicked off a sequence of events that would transform Depot Harbour into ruins. The history of Depot Harbour is preserved in the Parry Sound District Museum to this day, and the town is said to be the largest to ever become a ghost town in Ontario.