Cybertron

Cybertron (サイバトロン, Saibatoron) is the home planet of all Cybertronians, both Autobots and Decepticons alike. It is also the source of Energon. Cybertron is (almost always) a shining metal, technological world; a planet of towering future cities without end and vast metallic plains, spiraling metal mountains and bottomless neon-lit chasms. Battling over the planet's resources, the AllSpark, and control of Cybertron is frequently the motivation for, or origin of, the Transformers' aincent, historical, but epic war, the Great War have started.

Locations

 * Autobot Mausoleum
 * Autobot Memorial Plaza
 * Crystal City
 * Cyber-Ninja Dojo
 * Cybertron Central Infirmary
 * Cybertron Command Headquarters
 * Cybertron History Museum
 * Emirate Xarron Space Bridge Nexus
 * Energon Farm
 * Fractal Amphitheater
 * Fortress Maximus
 * Gygax
 * Hall of Records
 * Hydrax Plateau
 * Iacon
 * Jekka Amphitheatre
 * Kaon
 * Kaon Prison Complex
 * Ky-Alexia
 * Maccadam's Old Oil House
 * Mithril Sea
 * Nuon City
 * Pellechrome
 * Protihex
 * Protihex Medical Mechanics University
 * Rad Zone
 * Sea of Rust
 * Sonic Canyons
 * Tower of Pion
 * Tyrest
 * Well of the Great Sparks

Notes & Trivia
According to Bumblebee, it doesn't rain liquid nor there were any liquids except Energon on Cybertron.