Spawn at the intersection of multiple biomes: desert, savanna, taiga, jungle, etc. Your first point of interest should be a savanna village at -476 75 516 that is made of beautiful red bricks.
Right behind the village at the mesa area you will find an exposed mineshaft (-571 63 481) with a treasure chest containing:
There is another chest a bit further at the following coordinates -601 71 451 holding:
And finally, go to -680 78 120 for a jungle temple with another batch of some of the coolest loot in the game: