Forest fires move faster uphill than downhill.
52
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The state of Florida is bigger than England!
74
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The Sahara desert expands at about 1km per month.
90
The Caspian Sea is also classed as the world's largest lake.
52
The state with the longest coastline in the Continental U.S. is Michigan.
31