The city of Houston, Texas is built on a swamp and is slowly sinking!
89
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
One cubic mile of seawater contains about 50 pounds of gold.
79
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Israel's Dead Sea is 1,312 feet below sea level.
48
The Sahara desert expands at about 1km per month.
90
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56