The city of Houston, Texas is built on a swamp and is slowly sinking!
89
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Check your map! Virginia extends farther west than West Virginia.
67
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The Sahara desert expands at about 1km per month.
90
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175