The good ship Oasis of the Seas  belonging to Royal Caribbean Cruises  will set sail on August 20 from Orlando, Florida for a 7-night journey to observe the ‘great American solar eclipse’—a total blackout in the middle of the Atlantic Ocean. It will also dock at Phillipsburg, St. Maarten, Charlotte Amalie, St. Thomas, and Nassau, Bahamas before returning to Orlando. There will be  science activities for kids, dance parties, live music and astronomy-themed food. ($1,227 per person, taxes included;