Didn't you know of the unstable cavern complex underneath the farm? I think I've spent way too much time trying to rationalise the random stuff in the dungeons. I guess High Rock and Hammerfell are riddled with massive underground caverns, old Nedic, elven, and Dwemer forts and castle basemants/true dungeons, and elevators to take you from the surface to the deep recesses of the underground.
its abit mindbending i must agree, sometimes you end up several levels ABOVE the entrance you came in from, even as it looked like a little pile of dirt with a door in it on the outside.
even after all these years playing Daggerfall i still try to think who built a multi-leveled dungeon complex with torture racks and animal pens (with living pigs/cows and haystacks sometimes even) and even a big throne room beneath a small farm.
but the graveyard crypts have all the right propotions though. strange. but i love it.
oh, btw, that crazy enemy scaling bug is back, i rode an elevator down into a throne room during a raid into a dungeon i was rewarded from the fighters guild and it put me down right between 3 Ancient Liches (i was only meeting like Orcs or Orc Seargents before).
still way to early for me to meet those guys, and ive encountered 2 Daedra Lords too, resulting in instant reload. its like totally random which high level enemy i will encounter.