Agrasen ki Baoli, Delhi, India

Agrasen ki Baoli "is a 60-meter long and 15-meter wide historical step well near Connaught Place in New Delhi. Although there are no known historical records to prove who built Agrasen ki Baoli, it is [traditionally] believed that it was originally built by the legendary king Agrasen during the Mahabharat epic era and rebuilt in the 14th century by the Agrawal community which traces its origin to Maharaja Agrasen." Read more here.