Kumbh Mela is one of the largest religious gatherings known to man, that occurs in its entirety every twelve years in Allahabad, India. It will end on 3/10/2013 with Maha Shivratri - the Sixth Snan, the Final Bath.
1. Official site for 2013 events: http://kumbhmelaallahabad.gov.in/english/index.html
2. Information linked from their site that explains it well, and how it is linked to "The Churning of the Sea of Milk," one of the most depicted scenes in Hindu Art: http://information.up.nic.in/Kumbh/Kumbh%20%20Advisory%20English.pdf
Maghi Purnima Snan
A fun video from their site with music, dance, and images.
May inspiration and creativity be with you!