One cubic mile of seawater contains about 50 pounds of gold.
79
There are more than 50,000 earthquakes throughout the world every year!
47
The state of Florida is bigger than England!
74
Mexico City is built on top of an underground resevoir!
47
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
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
Australia's Great Barrier Reef is 1,250 miles long!
45