Lake Baikal, in Siberia, is the deepest lake in the world.

The first jigsaw puzzle was created by map maker John Splisbury who mounted one of his maps on a sheet of hardwood. He proceeded to cut around the borders of each country use a fine saw.

Over one million Pet Rocks were sold in 1975, makine Gary Dahl, of Los Gatos, California, a millionaire. He got the idea while joking with friends about his pet that was easy to take care of, which was a rock.

AMAZING FACTS