Xenoarchaeology, a field of hypothetical science concerned with the physical remains of extraterrestrial civilizations, can be traced back to the Giovanni Schiaperelli's 1877 observation of channels on Mars. Xenoarchaeological themes are common in science fiction. Examples of xenoarchaeological fiction include Arthur C. Clarke's novel Rendezvous with Rama and 2001: A Space Odyssey, Frederick Pohl's Gateway, and The Engines of God by Jack McDevitt. Come and discuss this popular subgenre. What might real xenoarchaeology look like?