One person arrested after daytime stabbing at Toronto supermarket

Toronto police cruisers are seen in this undated photo. (Simon Sheehan/CP24) Toronto police cruisers are seen in this undated photo. (Simon Sheehan/CP24)

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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.