Find the must places to see in Karbala'

Karbala (Arabic: كَرْبَلَاء‎, translit. Karbalā’, Persian: کربلاء‬‎), also Kerbala, is a city in central Iraq, located about 100 km (62 mi) southwest of Baghdad, and a few miles east of Lake Milh.
It's 16:57 right now , with clear sky and the temperature of 40.15°C (104.27°F) in Karbala'.