Are you scared of zombies? Spawn at the edge of extreme hills biome. Then, travel to 600 72 -300 and locate village full of zombies on a survival island that stands close to an ocean monument.
The room with gold blocks inside the temple is located at the following coordinates 721 41 -297.
Also, you don't want to miss a skeleton spawner at 754 19 -395 with a chest that contains: