you put the bulders in the dark hole
by going through it
Pass through Diglett's cave and go South.
Firered don't have a "solar cave"
You can get Mewtwo in the Cerulean Cave.
altering cave,
in the land cave.
bartonvilleType your answer here...
Cerulean Cave
You can't
mewtwo is in mystery cave :D
in the yellow area
icefall cave firered only