Travel / Sosnowiec and Krakow - what to see? [6]

Thank you John and Foreigner for the tour ideas, will be there with couple of business colleagues and will be staying in the Sosno/Katowice area for couple of weeks.

Travel / Pre-paid cell phone from Poland for local and international calls? [12]

Thank you peter, Can I but this in Airport, do they have a Kisok in the Krakaw airport?