The painting of the ancient lost city of B'hala
"Rapture" is the tenth episode of the fifth season of Star Trek: Deep Space Nine.
In the wardroom on Deep Space 9, Captain Sisko, Major Kira, and Jadzia Dax admire a twenty-thousand-year-old painting of the lost Bajoran city of B'hala – the only known proof that the city ever existed. While Jadzia is surprised that the painting isn't a lot bigger, Kira and Sisko are in awe of the ancient artifact, which has been returned to the Bajorans by the Cardassian Government. Sisko points out a Bantaca spire in the painting, explaining that markings upon the spire describe the co-ordinates of the lost city; however, since two of the spire's sides cannot be seen, the city's exact position is difficult to decipher. He has the picture scanned into the computer so that he can study it, prompting Kira to recall a prophecy that only one who had been touched by the Prophets could find the ruins of B'hala.
In his office, Sisko looks at the computer scan of the painting and the markings on the spire. Adjourning to a holosuite, he produces a recreation of the spire, and has the computer overlay images of the markings from the painting, as he begins a quest to decode the co-ordinates. Later, he is interrupted by Quark, who comes into the holosuite to inform him that it is after 3 am. After dismissing Quark's offer of a visit to a pleasure maze, Sisko tries to save the program to a isolinear rod. As he works a console, however, there is an explosion and the captain is thrown to the floor, plasma energy crackling over his body. Shocked, Quark calls the infirmary...