Hiking Mystic Falls, Fairy Creek & Little Firehole Loop, Yellowstone, WY

You'll have to hit this waterfall lollipop if you're in the Upper Geyser Basin area near Old Faithful. It's a short, 3.5-mile trail that will take around 2 hours to complete. It features a beautiful waterfall, a challenging switchback climb, an unobstructed view of Biscuit Basin, and the most beautiful overlook of the endless Yellowstone forest.