Sunny and warm on Thursday in Ottawa, cooler weather on the way

Record warm temperatures are in the forecast for the first Saturday of fall in Ottawa. (Josh Pringle/CTV News Ottawa) Record warm temperatures are in the forecast for the first Saturday of fall in Ottawa. (Josh Pringle/CTV News Ottawa)

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Exploring a tunnel deep below Niagara Falls

Turbines that once harnessed the powerful energy of Niagara Falls into a great source of electricity came to a halt years ago. But the secrets deep below the power station are coming to life once again. Visitors can now explore the former cathedral of power and a new tunnel that opens to a spectacular view of the falls.