One cubic mile of seawater contains about 50 pounds of gold.
79
Forest fires move faster uphill than downhill.
52
Check your map! Virginia extends farther west than West Virginia.
67
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
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
Every year, Alaska has about 5,000 earthquakes.
31
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The Atlantic Ocean is saltier than the Pacific Ocean.
54