Minecraft: Top Structures

A person has actually taken the time to build an entire computer (16-bit) within Minecraft, maybe if he makes one powerful enough to run Minecraft itself the universe will blink out of existence (see full article here). Also, a guy with loads of time built a 1:1 scale replica of the Entreprise from Star Trek- nerdism at its best (article here). (the video "starts" at 1:30)