If you're a fan of live theater, book yourself some seats for a play or other stage show at Gerhart Hauptmann-Theater Zittau. Look online for times and prices.
If you're planning to stick around a while in Zittau, Gerhart Hauptmann-Theater Zittau is a great place to start your exploring. This arts and culture attraction is one of many attractions that'll keep you on the go here. Oybin Castle, Südstrand Olbersdorfer See, and Jonsdorf Butterfly House are also waiting to be discovered close by.