https://offgridtrailers.com/expedition-trailer/ Conceptually these have a certain appeal and conjure up a journey to Alaska. One person or two very friendly folks. Downside, no head. Porta-potti would suffice. Also enough beefy frame to support a tent up top. Hook it up to the Rubicon and part out.
Friend of mine has a Tiger Moth and he and his wife just spent 3wks in it....they are very pleased with it.