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...
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. Must-Sees. See the Falls from several thrilling perspectives with Hornblower Niagara Cruises, Journey Behind the Falls, the Skylon Tower, the Niagara SkyWheel and Niagara Helicopters.
1 Niagara Falls in One Day: Deluxe Sightseeing Tour of American and Canadian Sides. 2  Ultimate Niagara Falls Tour plus Helicopter Ride and Skylon Tower Lunch. 3  Niagara Falls Boat Tour: Voyage to the Falls.  Niagara Falls Canadian Side Tour and Maid of the Mist Boat 1  Ride. Best of Niagara Falls Tour from Niagara Falls, Ontario.