It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
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 North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
One cubic mile of seawater contains about 50 pounds of gold.
79
Mexico City is built on top of an underground resevoir!
47
It's still possible to see the division between East and West Germany due to different light bulbs.
5