QUOTE(Shadowgale @ Dec 25 2010, 12:00 AM)

Really? Where?
Fallout 3 or Oblivion? If it's Fallout 3, I'll post the vid. It gets you into the Citidel before that section of the Main Questline where you are supposed to go in there. You can get your power armor at the very beginning of the game - but everyone is telling you they are so sorry about your father dying. - so, you guessed it - it glitches the part of the game where you are supposed to come after your father dies.
- one gets you into the Jeff Memorial before you are supposed to be in there. (to kill that Col. and get his weapon and raincoat)
Both of these glitch the game for the ending, but can be got around with a lot of patience and tenacity. (I say patience, but I beat the H out of that female scientist when she wouldn't push the [censored] button to let me into the sealed area to punch in the code)
There is one in the 'Brotherhood' DLC that gets you an awesome weapon. Other than that, there are several that avail you nothing. You must have good agility to get most.
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In Oblivion, it is just a way to wander off map, and gains you nothing. (these are just the ones I have done, I'm sure there are more) On the 360:
1. If you have the Wizards Tower and do that glitch, you are off map and can walk to the other test area for PC users - but can't get into the one that holds everything.
2. Any area that takes you off map you can get out of and be off map - The place where you get the Crystals, the place where you get the Draconia Madstone, the "Painted World", the "Dream World. Good agility needed on these.
3. In the Jeralls and Valus mountains there are a couple places you can go off into Skyrim or Morrowind
4. The Topal bay has a place that goes off map, start in Anvil and swim underwater to the left and out. Another of these in the Shivering Isles, swim to the far right of the map or swim out anywhere from the island.
5. Any of the castles or city walls (requires agility to get to the top). Climb to the top of the ramparts and jump out of the city or off the castle wall (out) Must have good health, be able to heal, or wear Springheel Jak boots unbroken.
Warning - climbing to the top of the Temple of the One will trigger a Daedric attack and Mehrunes Dagon will arrive.
There are a bunch - but other than the Temple of the One, they afford you nothing. The ones that get you into Morrowind and Skyrim - you get the thrill of looking at your map and seeing yourself walking into those regions.