Cruising has become a super popular way to take a vacation and you can list me as one of the fans of the cruising vacation. I've only been on 4 or 5 cruises and the worst cruise I ever took was great.

The folks at Mental Floss are knowing for going way past the surface of all the subjects they cover and their video about cruise ships is certainly no exception. Did you know that cruise ships have a morgue, a hospital and even a jail.

You might also be surprised to find that many cruise ships have regular AA meetings on board. If you've ever been on a cruise you know the amount of drinking that goes on, so having a regular AA meeting on board is probably a great idea.

Here's the one and only John Green of Mental Floss and "24 Unexpected Facts About Cruise Ships."