The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Europe is the only continent without a desert.
62
The Sahara desert expands at about 1km per month.
90
