Neptune Towers was an Electronica Ambient project done by Fenriz of Darkthrone. He released two albums, each containing but 2 long tracks each. The music consists spacey synth based sound scapes. If you like Electronica/Ambient or feel the need to own everything possible that is related to Darkthrone, you should check this out.
Caravans To Empire Algol (1994)
Transmissions From Empire Algol (1995)