Stepwells, the four examples are all from the 16th century and are of particular interest because of their extraordinary spatial configurations. Bhatpur has spiral steps which narrow down as they descend. Vasad has eleven rooms below the ground level. Halisa has double-spiral steps, with niches in the wall for icon worship. Lastly we have the incomparable Doshi No Kanthalo, which is part of a fort wall – a military bastion strategically located at the confluence of the rivers Vatrak and Majham.