If it were me w time off in Australia I might study permaculture, that's where it was born. Mollison et al. Those permie people are the most positive natural living types.
And close to that are the nature connection people. Not sure what they have there, we have Jon Young and Tom Brown Jr in the US, but people from all over the world have studied with them and brought back their particular way of tracking and bird language to their countries.
If you've heard of 'Nature Deficit Disorder' it was coined by Richard Louv who wrote No Child Left in the Woods, and The Nature Principle. Basically saying our brains function better, our whole physiology functions better when we regularly interact w nature. I would think that after completing a chunk of time at a serious job, time in nature would be very rebalancing.
Whatever you decide, follow what interests you and enjoy!
[This message edited by InnerLight at 10:18 AM, March 7th (Friday)]