A Lock in Belgium

Abundance and Lack

Aerial View of the Guadalquivir River

Aerial View of the Magdalena River

Aerial View of the Murray River

Aerial View of the Po, Italy

Aerial View of the Usumacinta River, Guatemala

Along the Niger River

Amu Darya River Delta

Amur River at Khabarovsk

Angel Falls, Venezuela

Aral Sea, Taken from Endeavour

Archipelago in Sweden

Arco, Trentino-Alto Adige

Arid Plains Near Tigris River

Arno at Florence

Banks of the Murray River

Barge on the Rhine, Germany

Bella Island, Lake Maggiore

Bend in the Mekong River

Benue River

Birds on Lake Bangweulu, Zambia

Birmingham Canals

Boats on Lake Michigan

Boats on the River Nile