Just Another Structure Pack is a structure data pack that adds new structures to the Overworld. These structures fit well into vanilla gameplay and are also rarer structures that just add more ambience and encourage adventure and exploration of the world.
Structures include:
Catacombs:
These rare, ominous structures spawn rarely in any Taiga biome. The consist of a long entrance shaft and then a maze of twisting pathways. Contains lots of skeletons.
Bastion Outpost:
This rare Illager structure spawns underground. It contains many Illager mobs and even Illusioners!
Friendly Outpost:
Rare structures that contains villagers and early game loot. Spawn in most biomes.
Illager Ship:
Find illagers aboard a ship in any ocean biome.
Tower:
Towers generate uncommonly in the world and act as waypoints. Contains loot with helpful exploration resources, and always contain a compass and lodestone.
Rustic Church:
Small, ambient structure that spawns in forest biomes. Has a chance to spawn as a ruined variant.
Overgrown Library:
Small structure that spawns in Lush Caves. A decent source of enchanted books and bookshelves.