There are six million parts in the Boeing 747-400.The Great Pyramids used to be white. They were encased in a bright limestone that has worn off over the years.

Percentage of North American men who say they would marry the same woman if they had it to do all over again: 80%.

The record for the loudest burp is 118.1 decibels, which is as loud as a chainsaw.

The Tonle Sap River in Cambodia flows north for almost half the year and then south for the rest of the year.