Even Antarctica has an area code. It's 672.
58
The Atlantic Ocean is saltier than the Pacific Ocean.
54
There are more than 50,000 earthquakes throughout the world every year!
47
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Forest fires move faster uphill than downhill.
52
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
One cubic mile of seawater contains about 50 pounds of gold.
79
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59