The Incredible Step-Well - Chand Baori

Chand Baori is famous step-well situated in the village of Abhaneri near Jaipur in the Indian state of Rajasthan. The well is about to 100 feet  deep, it has 13 floors and 3,500 narrow steps. Chand Baori is as deep as a seven storied building.

It is the hallmark of creative architectural design. Built back in the 10^th century. [more]