Cruises are the way to go if you like to keep moving. You can see some of the wonders of the world. Cruise through Glacier Bay in Alaska or through the Panama Canal in Central America. Travel the Caribbean or Mediterranean. There are cruises all over the world. And yes, there are Around the World cruises.
There are cruise ships set up as condominiums that you own and can live aboard. They are on a world cruises all the time.