Ooty tourist destination is well-known for its most attractive toy train, "Nilgiri Mountain Railway." The steepest railway track of Asia, Nilgiri railways is always remembered for the famous song, "Chaiyya Chaiyya." This toy train, a UNESCO heritage site, is one of its kind experiences. The train covers 46 km within 5 hours and offers an unforgettable ride. This mesmerizing journey takes through the picturesque landscape. The train starts from Mettupalayam and prior booking is needed to enjoy the journey leisurely. A ride in this historic railway is one of the musts to do activities in Ooty.