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
One cubic mile of seawater contains about 50 pounds of gold.
79
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Check your map! Virginia extends farther west than West Virginia.
67
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63