Simply put, Axemen of Sweden, an upcoming film, is a documentary about Swedish guitar heroes. The film features appearances by Fredrik Åkesson (Opeth), Kee Marcello (Europe), John Norum (Europe), Mattias IA Eklundh (Freak Kitchen), Per Nilsson (Scar Symmetry), Jessica Gardlund and more.
Someone (or something?) named Alizee Defan runs a YouTube channel dedicated to incredible female musicians. At her action-packed YouTube page, which you can check out here, you'll find videos about great female drummers, singers and — of course — guitarists.