Death Valley
Death Valley is a desert in the western United States, and is the hottest and driest location on the continent. Due to its isolation and inhospitality to humans, it's a popular place for Decepticons to set up camp.
Fiction
Full Throttle Scramble Power!
The Decepticons built their powerful Omega Whip cannon in Death Valley, from where they used it to destroy a human city. Hound, Jenny and Toru found the Decepticon base and managed to mind-control Starscream into destroying the Omega Whip. Full Throttle Scramble Power!
Dreamwave Armada comics
Death Valley served as the construction site for the Decepticons' Solar Scalpel launch tower. Scavenger and Smokescreen kept an eye on the Decepticons' activity, but failed to act in time before the Scalpel was launched. Fire & Ice
IDW Hearts of Steel comics
Allied with the human Tobias Muldoon, Starscream's Decepticons constructed a giant factory in Death Valley in the mid-19th century. They used it to build the Astrotrain, which they planned to use to conquer New York City. Hearts of Steel issue 2 The cavalry was sent to attack the base and stop them, but when they arrived, the Decepticon train had already departed and the factory was abandoned. Hearts of Steel issue 3
Cybertron toy bios
The Decepticon pirate Cannonball and his crew were based at the Pirate Oasis, an undiscovered lake deep within Death Valley.[1]
Titan Magazines Revenge of the Fallen comics
Death Valley was the location of an abandoned human town, no longer found on any maps. Autobot cadets Jolt, Dune Runner and Rollbar were sent there on survival exercise, tasked with finding an energy pack in the town before running out of reserve power. Unfortunately for them, the monstrous Decepticon Dead End was stalking the area, intent on murdering the Autobots and taking their parts for himself. Transformers Comic issue 2.11

