This house is intentionally mysterious. Designed and owned by the chairman of Broderbund, famous for making the game Myst.

Inside, there are 1,700 feet of secret passageways, hidden behind file cabinets that are actually doors, and dresser drawers that open into staircases. There’s even a “Room of Doom” that leads to a ledge behind a waterfall.

His houseguests have legitimately gotten lost and have needed to be rescued.