One cubic mile of seawater contains about 50 pounds of gold.
79
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
Even Antarctica has an area code. It's 672.
58
Israel's Dead Sea is 1,312 feet below sea level.
48
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59