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
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
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
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18