Whether you say "Awwww!" or "Ahhhh!" when you see videos of butterflies swarming around turtles, we're here to find out if this heartwarming scene is real or just something artificial intelligence cooked up.
It is the largest freshwater ecosystem on Earth with three beautiful falls in two countries and powered by four of the five Great Lakes. Delve into Niagara Falls through the eyes of scientists and naturalists on PBS tonight (April 19th).