housing question

Does anyone have any expierence with a buried, or partially buried house? Dh really wants one, and I found one for sale, and right now we can't do anything about it but wanted some insight on how well they hold up? I have read that they do well with heating/cooling. The property I found is about an hour away from where we are now, so thats an issue. here's the description" PARTIAL BURN RANCH SITUATED ON 5 ACRES. VERY CLEAN HOUSE. LARGE LIVING ROOM W/ FIREPLACE INSERT. WALK-IN PANTRY, 2 BDRMS GOOD SIZE. 30 X 40 POLE BARN POLE BARN W/ 2 10 FT LEAN TOS. TACK ROOM W/ 2 STALLS & ELECTRIC. 30 X 28 POLE BARN CONVERTED TO COTTAGE W/ BUTANE HEAT, SINK, & FULL BATH. ALL OPEN. REFRIGERATOR IN COTTAGE HOUSE IS STAYING. " when I saw partial Burn ranch" I thought it had been burned, but the pictures show buried, not burned. Its also on 5 acres. AND, its less than our current mtg, (2 bd/1bth, 950 sg ft .76 acre in a community of about 3000). We actually need 3 bd's, but with 1900 sg ft I'm sure we can find the room for another bd. We will miss out on this one, however, I found this one so I can find another one, I'm sure. Anyway, back to my question about buried houses? If anyone wants to see picks I will send the links to the real estate site. TIA