I loved the Wrecked Ship in Super Metroid. Honestly, I loved the whole game, so in many ways that's not terribly interesting, but the Wrecked Ship in particular stood out in my mind. Yes, it was clearly a part of Zebes, but it was also this strange interloper, an alien element unconnected to the larger...
Horror on the right side
I'm sure there are a ton of other possible examples here to be mentioned, but these were the ones that stood out as I wrote the column. There are almost more options. It's part of how ubiquitous this is. Hope you enjoy! Tomorrow's column, I must admit, is not terribly spooky, but regular stuff is less easy to sync up for October. Perhaps next year!