The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Even Antarctica has an area code. It's 672.
58
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
Australia's Great Barrier Reef is 1,250 miles long!
45
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41