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
The water of the Antarctica is so cold that nothing can rot there.
334
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
The Caspian Sea is also classed as the world's largest lake.
52
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
Louisiana is the only state that grows in land area every year (Due to alluvial deposits from the Mississippi River).
41
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40