The state with the longest coastline in the Continental U.S. is Michigan.
31
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
Mexico City is built on top of an underground resevoir!
47
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The Sahara desert expands at about 1km per month.
90
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181