Gokarna

Go (cow) karna (ear)  is a city in Karnataka with a famous Shiva Temple.

The myth is associated with Ravana, wo presented Shiva his Tandava Stotra. Shiva gave him a linga to take it to Lanka. On the way he put it down, the weight changed the landscape, it took on the shape of a cow’s ear.

Read the story here
http://utkarshspeak.blogspot.com/2012/09/ganesha-and-ravana.html

and the stotra here
http://stotrarathna.blogspot.com/2009/07/ravanas-shiva-thandava-stotram.html