Castaways Travel, a Houston-area travel agency, offers an all-nude flight to Cancun Mexico. Once the plane reaches cruising altitude, you are allowed to take off all your clothes and roam about the cabin.

Octopi change colours when they become frightened. Normally they are a brownish colour, but can change to green or blue when fear sets in.

Egyptian pyramid builders used to eat a lot of garlic because they thought it would increase their strength.

AMAZING FACTS