It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
Israel's Dead Sea is 1,312 feet below sea level.
48
The Caspian Sea is also classed as the world's largest lake.
52
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
Every year, Alaska has about 5,000 earthquakes.
31
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59