Minecraft adventure map ideas?

I'm making a Minecraft adventure map, and i need some ideas. Can you give me some good ones?

Note: I'm in minecraft 1.4.7. So I'm missing a lot of stuff(hoppers, minecart with hopper, minecart with TNT, daylight sensor, weighted pressure plates, droppers, etc.)

Joey

You can form your map with using hoppers, sensors, brujule, telescopes, mirrors, and more stuff

Francisco