At its deepest, the famous Niagara Whirlpool’s swirling vortex reaches 125 feet underwater. And the Whirlpool Aero Car has been offering the most mesmerizing – and terrifying – views of the peculiar phenomenon for 100 years. While some tremble at the thought of entrusting their safety to a century-old people mover here in Niagara Falls, breathe easy and enjoy the view. The car’s six cables capably keep danger at bay.