In 2012, Nik Wallenda became the first person to tightrope-walk over Niagara Falls. He braved high winds and spray from the mighty flowing waters while doing so. Many marveled at the feat and wondered how it was possible. Wallenda's story as well as tales of others who attempted the jaw-dropping deed are included in this high-interest text. Spine-tingling photographs and fun fact boxes are sure to amaze and delight readers.