Profiles in History's California auction,and an 18-feet robot, made $5m last weekend.
The sale was remarkable for the sheer size of some of the lots on offer. A full-scale "Hero Bumblebee robot" from the blockbuster hit Transformers brought $88,500.
Transformers "Bumblebee" ($88,500)
Another menacing Hollywood robot fell just behind the Bumblebee, bringing $70,800 - an original full-scale T-800 endoskeleton from the Arnold Schwarzenegger-starring Terminator 3: Rise of the Machines.
Meanwhile, Megan Fox's "Hero Black Leather Motorcycle Costume" - worn as her character Mikaela Banes, in the Transformers sequel Revenge of the Fallen - fell within its $3,000-5,000 estimate, selling for $4,130.
Smaller iconic items included Elvis Presley's personal Martin D-28 guitar, used in his final Las Vegas performance.
The King's guitar sold for $106,200,brought $70,800.
Elsewhere, an original Stormtrooper helmet from the groundbreaking 1977 blockbuster Star Wars sold for $82,600.
A rare and historic piece of non-Hollywood memorabilia also sold in the auction. Legendary explorer Amelia Earhart's flight goggles, worn during her historic 1932 solo transatlantic flight, brought $141,600.
Photos: Megan Fox by Luke Ford; "Bumblebee" robot, Profiles in History