High angle view of canyon, Grand Canyon, Yellowstone River, Yellowstone National Park, Wyoming, USA

High angle view of river passing through canyon, Colorado River, Grand Canyon National Park, Arizona, USA

Grand Canyon, South Rim, Arizona, USA, high angle view

High angle view of river flowing through mountains, Tarn, Midi-Pyrenees, France

Carp-shaped wind socks hanging above a river, Oguni, Kyushu, Japan, high angle view

Aerial view of cruise ship in river, Norway

Colourful carp-shaped wind socks, Oguni, Kyushu, Japan, high angle view

Colourful carp-shaped wind socks flying in the breeze, Oguni, Kyushu, Japan, high angle view

Fishing boats in river with city in background

Antique Illustration of a View of a Waterfall in the Rhine River. (Location: Germany)

Antique Illustration of a View of a River with Waterfall, "Cory-Lin, on the River Clyde" (Location: Scotland)

Antique Engraving of a Canyon View with a Waterfall, "Falls of the Polufuca on the River Liffey" (Location: Ireland)

High angle view of canyon, Fish River, Fish River Canyon, Namibia