Mexico City is built on top of an underground resevoir!
47
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Australia's Great Barrier Reef is 1,250 miles long!
45
Israel's Dead Sea is 1,312 feet below sea level.
48