A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Forest fires move faster uphill than downhill.
52
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
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
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138