As with anything in this world, there are always some really hard core fans. The Batman franchise has had a huge boost since the trilogy of films was made and released by Christopher Nolan.
Two fans of Batman have taken their love for Batman and have built a Bat Cave from 20,000 Lego parts. The project took over 800 hours of work and they completed the whole thing in 3 months. It includes models such as the Batplane and Batmobile.
Now I'm not sure if this is really cool or really sad.