It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Australia's Great Barrier Reef is 1,250 miles long!
45
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The water of the Antarctica is so cold that nothing can rot there.
334