There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
Every year, Alaska has about 5,000 earthquakes.
31
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
Mexico City is built on top of an underground resevoir!
47
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Check your map! Virginia extends farther west than West Virginia.
67
The Sahara desert expands at about 1km per month.
90