Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
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 longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18