Watermills: Shushtar’s raison d’être for millennia was controlling the irrigation of the Khuzestan plains, and the town’s most famous attraction is a set of ancient watermills.

Qal’eh Salosel: The historic heart of Shushtar was Salosel Castel, on a prominent cliff-hill overlooking the river. This is where Shapur I is said to have imprisoned Roman Emperor Valerian.