A Reddit user found a 'mysterious doorway' in the middle of a mountainside in Antarctica, sparking a social media frenzy.

An eagle-eyed Reddit user found a peculiar ‘doorway’ in the snowy continent Antarctica, just southeast of the Japanese-run Showa Station. The new ‘find’ went viral and piqued users’ curiosity. From being ‘Bigfoot’s vacation home’ to a portal to a ‘secret’ Nazi base,

On Google Maps in East Antarctica, scientists have observed an unusual shape that has developed wild theories across the internet. The formation- - discovered near Japan's Showa Station- - has a close resemblance to a massive rectangular door formed out of ice.