The Sahara desert expands at about 1km per month.
90
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Australia's Great Barrier Reef is 1,250 miles long!
45
Check your map! Virginia extends farther west than West Virginia.
67
Even Antarctica has an area code. It's 672.
58
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175