Mexico City is built on top of an underground resevoir!
47
Israel's Dead Sea is 1,312 feet below sea level.
48
The water of the Antarctica is so cold that nothing can rot there.
334
Australia's Great Barrier Reef is 1,250 miles long!
45
Even Antarctica has an area code. It's 672.
58
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61