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 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
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The Sahara desert expands at about 1km per month.
90
Forest fires move faster uphill than downhill.
52
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86