Behold the Colossal Mountain of Ghee (Maha Sivalinga): The primary deity, Lord Shiva, is worshipped here in the form of a massive, 12-foot-tall lingam. Remarkably, the actual stone idol is completely invisible, buried beneath a giant, solid mountain of sacred ghee (clarified butter) accumulated over centuries of daily Ghrithadhara (ghee pouring) rituals. Despite the intense tropical heat and the thousands of oil lamps burning around it, the ancient mound of ghee never melts, stays perfectly fresh, and never attracts pests—a phenomenon that leaves scientists and travelers astounded.

Admire the Masterpiece Architecture of the Koothambalam: Located inside the temple inner courtyard is the magnificent Koothambalam (traditional temple theater), widely regarded as one of the finest structural timber halls in South India. Utilized for centuries to perform classical temple arts like Chakyar Koothu and Koodiyattam, this acoustic marvel features grand sloping roofs engineered entirely with wooden beams, copper plating, and pillars covered in exquisite carvings depicting scenes from the epics.

Study Ancient Murals and Epic Wood Carvings: The walls of the three circular inner shrines (Sri Kovils) are a rich gallery of ancient artistry. Visitors can view exceptionally well-preserved 350-year-old frescoes painted with natural, organic vegetable dyes. The murals depict vivid, dramatic scenes like the Nataraja (cosmic dance of Shiva), the battle of Kurukshetra, and a rare, expressive layout of a multi-armed reclining Shiva.

Walk the Serene Inner Paved Prakaram Paths: Entering the temple compound requires stepping through the grand gateways into a vast, peaceful courtyard paved with broad granite stones. Walking along the circular path allows you to view the unique shrines dedicated to Lord Rama, Lord Shankaranarayana, and Ganapathi (facing the temple kitchen, where devotees offer Neyyappam). The air is thick with the scent of burning camphor, sandalwood, and fresh jasmine, offering a deeply meditative atmosphere.