Nagardhan has an ancient  Shivalaya namely ‘Koteshwar’.Nagardhan village is just 7 km from ramtek toward south.Once it was capital city of ‘Wakataka’ dynesty.The village also has underground fort one of the rarest  of that kind.The Koteshwar temple is situated on out skirt of Nagardhan.There is folk story about this temple.It is said that a curd seller woman would pass along the path every day.She used to offer a bit of curd on ‘Shivling ‘ with her sincere faith.One of the rumour mongers poisoned her husband’s ears that the woman had some kind of illicit relationship.As a result the irritated husband followed the woman with a heavy axe knowing well that her husband was going to make fatal assault on her.The woman prayed lord Shiva to let her join to his spiritual core and at once the Shivling had a crack with tremendous noise to disappear the lady into it.Hence the Shivlinga at Koteshwar is still in cracked condition.The temple is builted with ‘Hemadpanthi style’.It is supposed to be most sacred Shivalaya of vidarbha.The emperor ‘Chandragupt’s daughter’  was married in ‘Wakatak’family.Unfortunatly she turned a widow.The great poet Kalidas was sent to support her in her critical hours.The great poet Kalidas wrote his ‘Meghdoot’ on Ramgiri hills.