The human eye blinks an average of 4,200,000 times a year.
233
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
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
There are 365 steps on the front of the U.S. Capitol Building - one for every day of the year.
50
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
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
The revenue that is generated from gambling is more than the revenue that comes from movies, cruise ships, recorded music, theme parks, and spectator sports combined.
15