A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
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! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Israel's Dead Sea is 1,312 feet below sea level.
48