An easy to make elevator that goes pretty fast- you can copy it anywhere. There is the enderdragon in a minecart and  an unfinished modern house which you guys can do whatever you want.

Diamond and Sub!

How to install:
Download the world and extract the files using (Windows) WinRar or (Mac) Unarchiver. Both are free.
Open you minecraft folder (%appdata%/.minecraft/saves) for windows or (~/Library/Application Support/Minecraft) on mac.
Create a new world in minecraft and exit. Find the world and copy the world files from the just downloaded one. Copy it and paste it in the world you just created. Done.