Krakow is the second largest and one of the oldest cities in Poland. It was once the capital and dates back to the 7th Century. Krakow's historic center is one of the 13 places in Poland that are UNESCO World heritage sites, with its grand historical buildings such as Wawel Castle, Saint Mary's Basilica and Krakow Cloth Hall. And in the evenings, Krakow is bustling with activity.