It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
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
Israel's Dead Sea is 1,312 feet below sea level.
48
Every year, Alaska has about 5,000 earthquakes.
31
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Check your map! Virginia extends farther west than West Virginia.
67
The state of Florida is bigger than England!
74