Google Maps is a place of great discovery — and the latest sighting may be one of the oddest yet. In East Antarctica, just southeast of Japanese research outpost Showa Station, eagle-eyed users spotted a mysterious “doorway,” which has become the topic of wild theories online, with some speculating that it’s Bigfoot’s vacation home or a marooned shuttle craft from “Star Trek.” One Reddit user who noticed the ominous structure at the coordinates 69°00’50″S 39°36’22″E simply asked, “Massive door in Antarctica?”