A tree farm based on Crossroads. Submitted by Kortis.
A large gateway. Not shown is the control system allowing dialing any other gateway in the world. Submitted by Kortis.
A gateway room. The gateway can be dialed to link to any other gateway in the world. Submitted by Nonabelian.
All the best poultry farms feature genetically modified giant chickens transported by tractor beam
This ice-maker setup only works in the nether, because it runs on the high ambient temperature of the nether.
This factory produces diamonds fully automatically and runs on industrial waste products. Submitted by Agwic.
An old 2016 photo with the original programmer art (a lot has changed)! A messy basement full of different contraptions. Pictured is a water distillation machine, a steam boiler, a food liquefier and congealer, among other things.
This cramped alchemy lab is cooking up a variety of metals, gems, and concentrated acids
A villager brain in a jar gazes mournfully at you through the murky nutrient solution
This tower (building blocks are not from Crossroads) houses an unstable rift in reality being used to generate power
This setup triples ores but runs on coal and makes byproducts. Submitted by Kortis.

A tech mod with the goal of making automation interesting. No one block solutions, just simple pieces that combine to make complex contraptions. Crossroads is a mod where you make Rube Goldberg machines, except they're the simplest way to do things.