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.
Saint Mary Lake, Montana Saint Mary Lake is the second largest lake in Glacier National Park, in the U. state of Montana. Located on the east side of the park, the Going-to-the-Sun Road parallels the lake along its north shore.
Marble Caves of Patagonia in Chile – Lake Carrera. The lake is on the border of Argentina and Chile, and the caves are located on the side of Chile. The caves are the three main grotto: Chapel (La capillaries), Church (El Catedral) and Cave (Cueva).