Traveling cat spotted in the fourteen hundred year old museum Hagia Sophia in Istanbul, Turkey. In his novel Inferno, Dan Brown writes: "I believe what is beneath Hagia Sophia is much more exciting than what is above the surface." The museum is also known for taking in numerous cats. The most popular one is Gli who has been living in the Hagia Sophia since he was a kitten.
Source: The Hagia Sophia Cat