One cubic mile of seawater contains about 50 pounds of gold.
79
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
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
There are approximately three chickens for every human on Earth.
13