Hollywood

Hollywood was a part of the city of Los Angeles known for its connection to the movie and entertainment industries of the 20th and 21st centuries. The "Hollywood" sign was among the Earth cultural items the Threshold stole and moved to the town of Wormwood on the Moon. The moon was later destroyed; the sign likely was also. (COMIC: Wormwood)

Visits by the Doctor
In 1921, the First Doctor, Steven Taylor and Sara Kingdom visited a Hollywood film set, though they did not know where they had landed and thought they were in an insane asylum. (TV: The Daleks' Master Plan)

In 1926, the Tenth Doctor visited Hollywood and met Archie Maplin, Emily Winter and Matthew Finnegan. He noted the city's famous "Hollywoodland" sign, commenting that he always preferred the sign before the "Land" was removed from the end of it. (COMIC: Silver Scream)

On 14 May 1938, the Fifth Doctor and Peri Brown visited Hollywood. (COMIC: The Curse of the Scarab)

In 1947, the Second Doctor, Polly Wright and Ben Jackson visited Hollywood. (PROSE: Dying in the Sun)

In 1952, the Eleventh Doctor took Kazran Sardick and Abigail Pettigrew to Hollywood on Christmas Eve. (TV: A Christmas Carol)

In 1973, the Third Doctor and Jo Grant fought a vampire in Hollywood. (AUDIO: The Elixir of Doom)

In May 1977, the Sixth Doctor and Frobisher attended the premiere of Star Wars at Mann's Chinese Theatre. (PROSE: Mission: Impractical)

In 1978, the Eighth Doctor and Anji Kapoor visited Hollywood. (PROSE: Mad Dogs and Englishmen)

Other references
In 1966, Morton Dill believed that the First Doctor and his companions were from Hollywood and making a movie. (TV: The Chase)

In the far future, Hollywood had been forgotten. (AUDIO: Home Truths)