Kashi is the mother of infinite Shiva lingas and center of Hindu religion .Here many types of yatras take place by devotees with most devotion.Kashi Khand states that devotees should undertake several types of yatras in Kashi,these yatras are popularly known as Kashi Yatras .These Yatras help devotees to attain Mukthi.
List of Kashi Yatras
References
Kashi Yatra Wikipedia(Text) CC BY-SA