Union Falls in Yellowstone National Park. miles - Moderate to Difficult. At a height of 260 feet, Union Falls is the second highest waterfall in Yellowstone. Its unique shape makes it one of the park's most picturesque landscapes. Combine this hike w
From My Nature's Bounteous Beauty Board - The Cameron Falls located inside the Waterton Lakes National Park in Alberta, Canada, turn red when heavy rains occur. Argolite, the red-colored sediment, causes the water to turn red.