Did you know that in 1991, like an experiment out of a sci-fi movie, 8 researchers voluntarily entered Biosphere 2. This is fully self-contained facility out in the Arizona desert that looks like it belongs on another planet.
Find out everthing you need to know about visiting the Biosphere 2 -> https://blog.trekaroo.com/biosphere-tucson-biosphere-2/
The goal of these 8 researchers to sustain life in a completely sealed environment for 2 years. Today, you can visit the Biosphere 2 just outside Tucson, Arizona and check out what life might be like should we ever experience a dystopian apocalypse.