Johto (HG/SS): Goldenrod City, Ecruteak City, Pokéathlon, and the route to the Poké Safari.
Hoenn: Fortree City(and the surrounding wilderness), Slateport City, Sky Pillar, Sootopolis, and
Sinnoh: Underground, Battle Resort, Resort Area, Mt Coronet, Pastoria Gym, Veilstone Gym, Battle Frontier...