in whirl islands.... i think
Route 30
Magnimite envolves at Lv.30
it depends on what game you have, in heartgold and solesilver it is on top of the bell tower
Unless you saved before facing him, he is gone sorry.
you have to complete the puzzles (kinda like a jigsaw puzzle) at the middle of certain rooms.
In order: Cianwood City, Mt. Mortar, Vermillion City, Route 13, Bill's House. You're welcome.
if im not mistaken, u have to go through diglett cave, via moving snorlax with ur radio pokeflute music.
If you are referring to a spot where the area is pretty small and there are two items on the ground and a ladder, then you have simply went into the wrong island.
In the soul silver version, you can't get the blue orb. The red orb, however, you can get from mr. Pokemon but only after beating all gyms and beating red on top of mount silver. You go to his house and he gives you the orb. You also have to get the Kanto starter from Prof. Oak.