You'll want to browse the collections at Gaziantep Zeugma Mosaic Museum, December 25 Museum, and War Museum. Hışvahan, Coppersmith Bazaar, and Şıra Hanı are well-known local landmarks worth a visit. You can wander around 100 Yil Atatürk Kültür Parkı, Gaziantep Botanical Garden, or Masal Park if you want a dose of fresh air.