Living on the edge Minecraft Beta 1.3 - Beta 1.7.3 Seed
Seed Code: Living on the edge
Pretty massive seed,
X: 137 / Y: 66 / Z: 295
We start off here with a nice ravine.
X: 118 / Y: 65 / Z: 297
Right to the left of the ravine, we have a massive mountain with a water-passage straight through it.
X: 118 / Y: 104 / Z: 394
Massive hole in the ground! (Go to the very bottom. There is a Gravel hole, walk through it and there is a massive cave!)
X: 89 / Y: 95 / Z: 274
As for the mountain in location 2, up on top there is a small entrance to a massive cave. I won't tell you what's in it to keep it a secret, but I'll tell you, it's awesome!