If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Israel's Dead Sea is 1,312 feet below sea level.
48
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25