The player discovered the unique base location by stumbling upon a broken hole in the map that allowed them to build inside a mountain. They initially found a wood foundation and then a stone wall inside the mountain, which led them to realize the potential of the spot.
This video documents a player's experience in the game Rust, focusing on the discovery and development of a hidden base built "under the map" within a mountain. The player details the process of securing this unique location, defending it from other players, and progressively upgrading it throughout a server wipe.