New game version "City of heroes" contains 10 landmarks:
1. Polish Telephone Joint-stock Company Building
2. Warsaw Citadel
3. Gdańsk Station
4. Warsaw Water Filters
5. 3 Kilińskiego Street
6. Gęsiówka
7. "Witold's" Redoubt
8. Prudential
9. University of Warsaw
10. Postal Savings Bank
After completing the story, you have found 9/10 if you have picked up all the points of interests .
Start new game and complete several story missions(it has the cinematics), after that, the game will give you "random missions".
Postal Savings Bank is grounded in district "Śródmieście"
NOTICE: if you play story mission in such district you dont find this landmark, so you need to start exactly random mission !!! In case mission is conducted in another district on map -> exit to main menu and try again (it can take many times). So, start the mission in "Śródmieście" and go down, Bank is located in the south between buildings PAST and Prudential