It depens on what Pokemon your talking about. I only know where a few are. Darkri is in the locked door in canalave. Palkia is in the top of mount cornet. Aurceus is also at the top of mount cornet, but you need a auzure Flute. You can get that after you defeet the elite 4 at a pokemart.
The legendary is palkia
It's not a legendary in Pokémon Pearl.
on Pokemon pearl you only see 1
the legendary Pokemon in diamond and pearl are dialga and palkia.
No, but there is a Rotom in the TV.
Palkia
you find the legendary Pokemon heatran
The dragon pokemon palkia.
Empoleon is not a legendary Pokemon. It is the final evolution of Piplup, one of the starter Pokemon in Pokemon Diamond, Pearl, and Platinum.
No, because it is a legendary.
Stark Mountain
On Pokemon pearl there are multiple legendary Pokemon. The first true legendary is probbaly palkia. Rotom and spiritomb etc are just sub legendarys. You can also get heatran giratina shaymin and arceus in Pokemon pearl. references,ive finished the game 10 times aswell as platinum and diamond.