Create an epic medieval castle under siege! Include defensive walls, towers, a drawbridge, and attacking forces with siege weapons.

Build a neon-lit cyberpunk cityscape with towering buildings, holographic billboards, and flying vehicles.

Build a modular space station with at least 5 connected modules. Include living quarters, a command center, solar panels, and docking bays for spacecraft.

Design a deep-sea research facility with observation domes, submarine docking, and marine life displays.