Things to build in minecraft?

Personally I play with a lot of mods, so I'm always looking into creative ways to build buildings to house all those mods. I once built a house into a ravine, with lots of glass floors showing the drop to the bottom.

Here is over 100 ideas http://www.minecraftbuildinginc.com/minecraft-building-ideas-100/

If you look though the site there's even more!