The Great Wolf Lodge in Niagara Falls, Ontario: We recently surprised the kids with a two-night stay at Great Wolf Lodge in Niagara Falls, Ontario. This indoor water park boasts over 100,000 square feet of water-packed fun, including scream-worthy slides for risk takers—not for the faint of heart!—and zero-depth entry areas for wee ones. Outside the water park, there are plenty of activities to keep everyone busy until nightfall. Our visit to this immense 84-degree indoor water park was the second for us in five years. I was a little worried that the lodge and all of its amenities might look a little tired or appear a bit rundown.…