Here is the ultimate list of the best things to do in Ostrava, Czech Republic! If you are not here during the festival though a visit to Dolni Vitkovice is still one of the best things to do in Ostrava. 3) Landek Park – Mining MuseumThe mining museum in Landek Park is the largest one in the Czech Republic. 8) Ostrava ZooThe Ostrava Zoo is the second largest zoo in the Czech Republic, and is one of the best things to with kids in Ostrava. Reach it from the Ostrava city centre or the Ostrava Zoo.