The Temple of Notch [Creation]
The Temple of Notch this is amazing map for Minecraft PE. Where you can enter in template of Notch. There you see many interesting things, including chests with gold. Originally, this map was developed for Minecraft computer version. The map was very popular and creator decided ported it for Pocket Edition version.
How to open the gate?
Attention! It is very important information To open the gate, you have to find the chest near your spawn point and take some gold ingot. Then, try to find some well and throw gold ingot there, after it, you will see, that gate will open. You can check out this screenshot. 
Notch 
For Minecraft PE 1.2 +