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The 'hole' of Lake Berryessa is a life-saver

The Amazon river has a coral reef, and this video proves it

Asian carp invasion reaches Great Lakes

These may be the prettiest maps you'll ever see

9 best off-the-beaten-path river cruises

The Mississippi's longest pedestrian bridge is now open for strolling

9 best rivers in the U.S. for a canoe outing

Olm eggs finally hatch in rare 'dragon' birth

11 American geographic anomalies

Why activists have dyed rivers bright green throughout France

Coral reef larger than Delaware discovered in muddy Amazon waters