Stargate. It spawned three films, one starring Kurt Russell and three TV shows, one staring MacGyver. It's also an Easter Egg in Just Cause 3.
According to what Arekkz Gaming found, the Stargate-like teleporter in Just Cause 3 will take you across the map.
We won't spoil how to find it in text. If you want to know how to reach it, watch the video.
Luckily, it doesn't take you to some foreign planet where the inhabitants are enslaved by the god Ra. Who is really and alien or something.
Just Cause 3 was released this week on December 1 for PC, PS4 and Xbox One.