Paulsoaresjr found this seed which contains loads of naturally generated structures very near to the spawn point collaboration tools. You will find two large villages at (x=-160, z=220) and (x=60, z=200), a witches hut at (x=-330, z=180) and an exposed spider dungeon at (x=-280, z=150). The mountains in the third picture are located at (x=-550, z=150).

Minecraft Seed: -568688860