Is it true that Earth days were roughly 22 hours long 600 million years ago? If humans establish an indefinitely self-sustaining colony on Mars and we lose the ability to return, how long will it be before Martians to b...
Find fun things to do in Niagara Falls Canada, take full advantage of the Falls attractions experience. Sail up to the brink of the Falls, walk behind them, and fly over them in a helicopter. Clifton Hill Skywheel.
NIAGARA FALLS. Choose from one of the many ways to experience the thrill of Niagara Falls and then be wowed by just how much else there is to do in this city that never stops. See the Falls from several thrilling perspectives with Hornblower Niagara Cruises, Journey Behind the Falls, the Skylon Tower, the Niagara SkyWheel and Niagara Helicopters.