The answer: The Hawaiian island of Oahu.
The actors on the hit ABC show "Lost," which wraps up its debut season Wednesday, are of course free to enjoy Oahu. Their characters are miserably unaware of the civilization just off frame. But the fans know better -- particularly the ones who live on Oahu and proudly blurt out the true locations of flashback scenes set around the globe.
Sydney Airport? That's really the Honolulu Convention Center.
Korean strongman's daughter Sun met her soon-to-be husband Jin at the beautiful Byodo-in Temple in Kaneohe.
And, if you're looking for the spot somewhere in the Mideast where former Republican Guard member Sayid mooned over the imprisoned Nadia, look inside one of the World War II bunkers at the popular tourist spot of Diamond Head, within view of famous Waikiki Beach.
Watching the show each week, fan David Morgan often tells himself, "Hey, I know where that is!" That's because many of the settings are at his lovely, family owned Kualoa Ranch up against the sharp peaks of Koolau Range on the lush windward side of the island.