Panchakrosha are the palces where Ishwara,Shiva is present in His full Glory and He rules over the city, its people, beings both living and non living. As a result people visiting these Kshetras are removed of their evil and negative thoughts and are ruled by Ishwara. This is one of the reasons why people are advised to perform Sradhdha in Varanasi as the Mind will be pure.
Two stones "Suryagaanthakkal" and "Chandragaanthakkal" which are placed at strategic points above the Vimana are the reasons for the droplets of water which falls on the deity. These 2 stones absorb moisture from the atmosphere, convert into 1 water droplet, performing a natural Abhishegam to the deity, every 24 minutes (1 Naazhigai), be it the day or night. A small piece of yellow cloth (Dhothi) which covers the Lingam is always wet because of this. If one can wait patiently, they can view this amazing act.
We know that Thituvannamalai is about a Billion old and Tirumala Tirupati is about 2100 Million Years old. The Thiruvannamalai Hill is believed to be the Form of Linga, Agni Linga. There is a Mountain in Laos with the Shiva Linga, 60 Meters, at its peak. It is bathed by a Spring. The water is carried by 632 Pipes.
Shiva had earlier stopped Sunadarar's marriage claiming that Sundara was Shiva's Slave, as per the document executed by Sundarar's ancestor and Shiva had documents to support it! And in a Court, Panchayat, Shiva proved it. During the course of the altercation on this issue, Sundara called Shiva as a Lunatic.Pitha(Tamil)
There is a place near Palani Hill called Thanasiappan Temple which is the place were Bogar mixed the Nava Bashanam and made the Murugan idol.'