"Water built it. Lack of water spelled its doom." – John Carter [src] Horz was once the great seat of martian culture and learning, widely it is considered a dead city but the city holds secrets. At the heart of Horz is a hidden city containing the last struggling survivors of the Orovars. Retrieved from "https://barsoom.fandom.com/wiki/Horz?oldid=11836" Categories: Dead Cities Barsoom Cities Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.