Royal Caribbean Cruises has a stellar, high-quality earnings and a solid annual free cash flow. Click here to find out why I'm giving RCL stock a sell rating.

A Royal Caribbean crew member, Bryan James, a guitarist for the cruise line, shared how birds are kept away from cruise ships when they're in port. It's actually a fairly ingenious method that you may not have even noticed when you're on board.

If you visit the beach, you know the havoc seagulls and other birds can wreak. First, if you're eating, the birds always seem to be circling, hoping you take your eyes off your plate. Sometimes birds can be incredibly aggressive,