Minecraft Seeds

X: 71 / Y: 137 / Z: 377

a huge mountan located in a great spot, try to find emeralds there

X: 49 / Y: 77 / Z: 488

a nice little pumpkin patch next to a cave

X: -188 / Y: 35 / Z: 321

a dungeon with some reasonible loot, (spawns zombies)

X: -226 / Y: 50 / Z: 258

a window from a cave to the ocean, makes you wonder about minecraft physics

X: -393 / Y: 39 / Z: 253

an ocean monument, not far from spawn,
(this set of coordinates will get you under the gold blocks in the monument)