It is in the top of Kanto after you beat the Elite Four.
in pewter city
it is in the city after pewter
Between Viridian City and Pewter City
You get it from an old man in Pewter city. To get to Pewter city, you have to have beaten the main storyline in Johto.
go to pewter city, then there is a man you get the silver wing
from a blue old guy in pewter city
You have to go to Pewter City
A man in Pewter City will give it to you.
Pewter city.
Pewter City, in Kanto.
There is no tower in Pewter City. Pewter City only contains one spot of interest, which is the Museum. There is no tower in existence there.
After you get the silver wing from the old man in pewter city