The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Sahara desert expands at about 1km per month.
90
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The Caspian Sea is also classed as the world's largest lake.
52
The city of Houston, Texas is built on a swamp and is slowly sinking!
89