Long term storage of your car

[Spiffav8]

I've received an offer to work outside of the U.S. that is hard to pass up. It would require me to live over seas for three years. I would be able to return to the U.S. every six months for an six week break. My question to you is if I take this job, how should I store my 67 Camaro for the time period that I am gone?

Any advice (other than parking it in your garage) would be appreciated.

Thanks!