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
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
There are more telephones than people in Washington, D.C.
121
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Barbie's full name is Barbara Millicent Roberts.
78
If the human eye was a digital camera, it would have 576 megapixels.
25
Some nursing homes in Germany have fake bus stops to keep Alzheimer's patients from wandering away.
14