Hoover Dam on the Colorado River forming the border between Arizona and Nevada, United States of America, North America

Hoover Dam on the Colorado River forming the border between Arizona and Nevada, United States of America, North America

Hoover Dam on the Colorado River forming the border between Arizona and Nevada, United States of America, North America

Hydro energy, brazil. River parana. itaipu hydroelectric power plant

Hoover Dam on the Colorado River forming the border between Arizona and Nevada, United States of America, North America

Hoover Dam on the Colorado River forming the border between Arizona and Nevada, United States of America, North America

Outboard powered longboat on the Melinau River, Mulu National Park, Sarawak, island of Borneo, Malaysia, Southeast Asia, Asia

New Mexico and Colorado, Cumbres and Toltec Scenic Railroad, National Historic Landmark, narrow guage, steam powered locomotives, United States of America, North America

Lenin, first nuclear powered icebreaker in the world, Murmansk, Russia, Europe

Solar-powered nudibranch, Phyllodesmium longicirrum. This species incorporates photosynthetic zooxanthellae in its cerata along its back. Lembeh Strait, North Sulawesi, Indonesia, Pacific Ocean.

Grinder for unmalted barley, wheat and rye, powered by a water wheel, Locke's Distillery, the oldest licensed whiskey distillery in the world, Kilbeggan, Westmeath, Midlands, Ireland, Europe

Steam train of the Brienzer Rothorn with view onto the Brienzer Lake, Interlaken, Bernese Oberland, Switzerland

Wooden mill wheel at an old sawmill in Nussdorf, Bavaria, Germany, Europe

Water wheel powered by a creek

TheTourelles water wheel was constructed by royal decree in 1832 and still turns today. One of 14 in the busy market town of L'Isle-sur-la-Sorge in the Luberon district of Provence, France, it once powered the town's factories for corn and cloth.

Water Powered Flour Mill, Mauricie-Bois-Franc Region, Quebec