The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
The city of Houston, Texas is built on a swamp and is slowly sinking!
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10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Israel's Dead Sea is 1,312 feet below sea level.
48
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The Amazon rainforest produces more than 20% the world's oxygen supply.
182