The largest beaver dam in the world, roughly double the length of the Empire State Building, is a feat of nature that's best seen from the skies.
Canada's largest national park is home to a bison herd, endangered whooping cranes, and the world’s largest beaver dam.
Kariba Dam is the world's biggest dam based on water storage capacity. Located at the former Kariwa (Kariba) Gorge, the dam creates Lake Kariba, which has a storage capacity of 185 billion cubic ...
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