On the Warner Bros. backlot is Mrs. Deagle's house used in Gremlins. The house was also seen in Growing Pains, Deadly Friend, and numberous other productions.
Right across the street is the church seen in the movie. Corey Feldman also biked up the street to this church to retrieve holy water in The Lost Boys.
And here is the store where the Gremlin was purchased by Zach Galligan's dad. also on the Warner Bros. backlot.