The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Every year, Alaska has about 5,000 earthquakes.
31
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
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
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181

