Golden Gate Bridge

The Golden Gate Bridge is a large suspension bridge in San Francisco. Sometimes it's in San Diego.

The Transformers cartoon
Arriving in San Francisco to intercept an alien creature, Powerglide, Tracks, Beachcomber and Ironhide stopped on the bridge shortly before the creature in question buzzed them. After the alien was defeated, Optimus Prime and Omega Supreme stood on the bridge and watched the sun set.

Young Corgi continuity
The Battlechargers were sent to destroy the Golden Gate Bridge, but turned out to be the wrong people for job when Runamuck, being afraid of heights, couldn't even bring himself to drive onto it. The two troublemakers were then easily dispatched by Hot Rod, Slingshot and Skydive.

Dreamwave Generation One continuity
Devastator emerged from the sea near San Francisco and smashed the Golden Gate Bridge before moving on to attack the city.

IDW Transformers movie comics
Swindle and Dead End drove across the Golden Gate Bridge. Swindle was later cornered on the bridge and destroyed by Bumblebee and Major Lennox. The NEST pair got into trouble with their superiors for Bumblebee transforming in a very public place.

Transformers Legends
Omega Supreme and other Autobots participated in a battle against Constructicons and a strange alien creature near the Golden Gate Bridge in San Diego.