I was looking for a seed to test my Minecraft Beta 1.3 and found YouTuber ZerkosProductions had posted the video The best Minecraft seed for Beta 1.3
The Random seed is 694228 and when I tried it I spawned amidst a shower of gravel falling from a very high overhang. (Coordinates: x: -97 z: -17)
I was impressed. Here are a few screenshots with coordinates.
(Coordinates near to: x -75 z: -68)
Climb one of the nearby highpoints and reach snow-covered trees:
A view from x: -31 z: 4:
A better location to view waterfall: x -75 z: -68