Best places to visit in Denizli

Denizli is an industrial city in the southwestern part of Turkey and the eastern end of the alluvial valley formed by the river Büyük Menderes, where the plain reaches an elevation of about three hundred and fifty metres (1,148 ft).
It's 01:38 right now , with overcast clouds and the temperature of 2°C (35.6°F) in Denizli.