In the lap of the rugged nature, the Bada Mahadev cave of Pachmarhi is a shrine for Lord Shiva, with idols of Brahma, Vishnu and Ganesh as well. The 60 ft tall cave is believed to be the place where Lord Vishnu killed Demon Bhasmasura. Natural water streams inside the cave forms a holy pool, bathing in which is supposed to wash off one's sins.