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Forest Lawn Memorial Park

Flashbacks... Hollywood: There's no business like show business when it comes to forgetting the past. Hooray for new attractions dedicated to TV, radio, movies and trips down memory lane.

It has been said at times that Hollywood lacks a conscience, but what strikes me in my day-to-day dealings with the entertainment world is how sorely it lacks a memory.

Show business is a forgetting industry, a reflection of our forward-looking, amnesiac culture. It places a high premium on youth, who are notoriously ignorant of their past. When Hollywood does look back, it usually lays on the nostalgia so thick you could slice it with a negative cutter -- not that anyone who works in a digital editing suite today remembers one of those.

In the last few years, however, Hollywood has worked to recover its memories in thoughtful new ways. It has created places of remembering...