On average, the life span of an American dollar bill is eighteen months.
33
An underwater forest off the coast of Alabama that is 50,000 years old was uncovered by Hurricane Katrina.
16
The largest hotel suite in the world is located 22 stories under the surface in the Grand Canyon Caverns. One night for two people in this 65 million year old cave is $700.
4
You share your birthday with at least 9 million other people in the world.
205
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55