The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Forest fires move faster uphill than downhill.
52
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
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
Europe is the only continent without a desert.
62
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175