With some great day trip options in the surrounding area, renting a car makes good sense. Without one, it’d be much more difficult to explore all that Millenium Park, 25 miles away, has to offer. Focus Mall should be toward the top of your list here. Zielona Góra Palm House and Zielona Góra Botanical Garden are terrific attractions too. The locals are also likely to point you in the direction of Royal Castle, 50 miles away. If you only have time for one thing here, make sure it’s Old Town Square. (But we’re also huge fans of Parish of St. Stanislaus Kostka and Poznan Palm House.)