Plus: Watch this video to learn how to make a secret hiding place out of a stack of old books. It doesn't have to be an old vacuum cleaner. Any common household item that has a cavity will work as ...

Houston is a major city with a huge population and one of the busiest ports in the country. When you add the oil refineries ...

Check out our ultimate guide for finding secret hiding places in your home. Roll up some cash, stick it in a medicine bottle ...

Easter egg hunt: exploring secret hiding places around the park. Across the football pitch: passing the ball in an imaginary football-game.