The remnants of structures can be found at three stages of decay, ranging from low amounts of weathering and aging, to almost completely gone.
Features
There are three size variants of the Ruins, along with biome specific block variants of each size. Each Ruin contains a underground section, ranging in size dependent on the surface size.
The largest Ruins contain three loot chests, and three monster spawners.
The medium Ruins contain two loot chests, and one monster spawner.
The small Ruins only has two loot chests.
Generation
Ruins can be found in the Overworld in some biomes:
Desert
Savanna
Snowy Biomes
Swamp
Mangrove
Taiga Biomes
Loot
The loot chests contain typical monster spawner loot, along with biome specific blocks and items. Such as Chiseled Sandstone in a Desert variant, and Chiseled Snow in the Snow variant.