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
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
It's still possible to see the division between East and West Germany due to different light bulbs.
5
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