Reddit Is Losing Its Mind Over These Insane Underground Houses

A BBC documentary series has set out to highlight the most extraordinary homes around the world, from those high atop the mountains to those buried deep in the forest. But an episode of the series highlighting those feats of architecture built underground is taking Reddit by storm. These subterranean structures are filled with mystery and intrigue, providing visitors with a uniquely magical experience. Check out a clip from the episode in the video above, and visit the BBC's website for more info.