10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
Mexico City is built on top of an underground resevoir!
47
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The Atlantic Ocean is saltier than the Pacific Ocean.
54
Even Antarctica has an area code. It's 672.
58
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109