Forest fires move faster uphill than downhill.
52
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
The water of the Antarctica is so cold that nothing can rot there.
334
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138