Visit the impressive "Steel City" of Vítkovice, one of the best and most extensive sites of industrial heritage in the whole country.
The area is huge and you'll see enough just by driving by. Head to Science and Technology center nearby if you want to get inside the premises and walk around.
Wikipedia https://en.wikipedia.org/wiki/Lower_Vítkovice
Official Website http://www.dolnioblastvitkovice.cz/
Email nkp@vitkovice.cz
Phone +420 604 603 166
Address 2993/20 Ruská, Ostrava 70300, Czech Republic
Coordinates 49°49'9.594" N 18°16'46.428" E