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 water of the Antarctica is so cold that nothing can rot there.
334
The Atlantic Ocean is saltier than the Pacific Ocean.
54
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Caspian Sea is also classed as the world's largest lake.
52