You'll want to browse the collections at Gaziantep Zeugma Mosaic Museum, Yesemek Open Air Museum, and War Museum. While you're exploring, swing by Coppersmith Bazaar, Hışvahan, and Naib Turkish Bath to learn a bit about the area. You can wander around 100 Yil Atatürk Kültür Parkı, Gaziantep Botanical Garden, or Masal Park if you want a dose of fresh air.