Take a tour of Rideau Canal in Ottawa, Canada – part of the World’s Greatest Attractions travel video series by GeoBeats. Ottawa, Canada is home to one of the most amazing waterways in North America. The Rideau Canal is a around 125-mile watercourse, ideal for recreational boaters or short cruises. The canal has about 45 different systems of locks down its long length to permit boat travel. In the winter, the entire Rideau Canal freezes and becomes a long ice rink. In fact, the canal is the world's largest skating rink and draws many visitors. Visiting any length of the Rideau Canal, walking or boating, is time well spent.