Superman, Lois Lane of Earth-Two, the Earth-Prime Superboy, and Earth-Three's Alexander Luthor, Jr. – set up a base in the ruins of the Antarctic Fortress following their escape from the "paradise dimension" they had been trapped in since the end of Crisis on Infinite Earths. It was then revealed from Power Girl's repressed memories from her life on Earth-Two that her cousin Kal-L had his own version of the Fortress of Solitude similar to his Earth-One counterpart's Fortress. "One Year Later" In the 2006 story arc "Up, Up, and Away!", Superman recovered a piece of Kryptonian sunstone, which Lex Luthor had used to awaken an ancient Kryptonian warship. Superman learned that the sunstone had been sent with him from Krypton, and used it to construct a new Fortress in the Arctic in exactly the same manner as in the 1978 Superman film. He nevertheless plans to restore the Peruvian Fortress, even if compromised and no longer in a secret location, and plans more Fortresses around the world. This version of the Fortress physically resembles the movie and television depictions, and Superman communicates with Jor-El via crystal constructs as in the Superman film and Smallville. The New 52 In The New 52 reboot of DC's continuity (launched in 2011) the Fortress of Solitude is first seen floating in space. It is later revealed to be the orbiting ship of Braniac which Superman had taken over after he physically reprogrammed the Collector of Worlds. This fortress is reported destroyed in the five years between the current Action Comics arc, and the New 52 present day, with the current fortress once more in the Arctic. In the New 52, Supergirl also has her own fortress, known as Sanctuary, and located in the depths of the ocean. This fortress first appears in Supergirl (vol. 5) #12 with its purpose explained in Supergirl (vol. 5) #13. In Action Comics (vol. 2) #15, Superman is revealed to have a fortress which he refers to as his "Yucatan base", a reference to his fortress in the Amazon rain forest in previous continuity. Following the discovery of Superman's "Super Flare", Kal-El made his way to the Fortress via a stolen motorcycle due to burning out his powers. When trying access the Fortress, the A.I. was unable to recognize Kal-El due to his DNA changing and forcibly removed his Kryptonian armor. It was revealed months later Vandal Savage was