A tourist boat on Argentina’s Patagonia region got their money’s worth after witnessing this incredible act of nature as a massive chunk of Perito Moreno Glacier collapsed into the waters of Lago Argentino, sending a mini-tsunami racing towards their boat. The ice chunk fell an estimated 200 feet before momentarily submerging and spectacularly breaking the surface like an ice cube thrown into a cocktail of epic proportions. Gnarly.Â