The only way is to put in some action replay codes. Depending on what code you put in you will either get a Goron Rock Golem, or a Dark Metal Monster.
in the goron mines
Twilight princess poe locations are where you can find poes
Twilight Princess
its compass for your information... and you find the compass in a chest in Twilight princess
Google "Zelda twilight princess game cube walkthrough"
find the cannon and get shot out of it.
in the lakebed temple
In every dungeon, there is a large, pointed, sinister looking chest. Inside is the Boss Key. Usually you have to solve a puzzle or defeat a monster to get to it. If you find the Dungeon Map, that will help you quite a lot.
use the walkthroughs
Find the big key.
There is one in each dungeon.
look at your map and look for the owls