Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
Forest fires move faster uphill than downhill.
52
Check your map! Virginia extends farther west than West Virginia.
67
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Australia's Great Barrier Reef is 1,250 miles long!
45
More than 25% of the world's forests are in Siberia.
51