A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Check your map! Virginia extends farther west than West Virginia.
67
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
Even Antarctica has an area code. It's 672.
58
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
Europe is the only continent without a desert.
62