A Collings Baby will set you back a fair amount.
http://www.collingsguitars.com/baby-series.html
Or even this 0 body 12 string
http://www.youtube.com/watch?v=5fuVJ...ature=youtu.be
For a travel guitar you could check out the Brunner Outdoor Guitar (now called the B-Compact).
http://www.brunner-guitars.com/?page_id=1384
I am sure others make them too.