The state with the longest coastline in the Continental U.S. is Michigan.
31
The average ice berg weighs 20,000,000 tons!
54
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
The Amazon rainforest produces more than 20% the world's oxygen supply.
182