It would take 11 Empire State Buildings, stacked one on top of the other, to measure the Gulf of Mexico at its deepest point.

There are only about 700 mountain gorillas and they live high in the mountains in two protected parks in Africa. Lowland gorillas live in central Africa.

Our oldest radio broadcasts of the 1930s have already travelled past 100,000 stars.

A M A Z I N G   F A C T S