Metroid Prime/Thermal Visor

Thermal Visor is located in Phendrana Drifts room Research Core. Take the following path: Ice Ruins West, Courtyard Entryway, Ruined Courtyard, Specimen Storage, Research Entrance, Hydra Lab Entryway, Research Lab Hydra, Observatory Access, Observatory, West Tower Entrance, West Tower, Control Tower, East Tower, Aether Lab Entryway, Research Lab Aether and Research Core Access.