If your trip to Sienica is all locked in but your travel itinerary is a little on the empty side, let us give you a helping hand.Explore the best of what this place has to offer by adding Church of Saints Simon and Helena and Palace of the Republic to your must-see list. If you have an extra day to spare, drop by Cathedral of the Holy Spirit and Museum of the Great Patriotic War as well.There's nothing like discovering new places. While you're staying in the area, Bust of Felix Dzerzhinsky and Pl Svabody should be among them. If you still have plenty of energy and space on your schedule, Pl Peramohi also awaits.