Jantar Mantar

  Jantar Mantar, situated in Connaught Place, New Delhi, is an astronomical observatory built in the 18th century by Maharaja Jai Singh II. This remarkable structure features the world’s largest stone sundial, the Samrat Yantra, which measures time with impressive accuracy to within 2 seconds. Open year-round, it provides visitors with the opportunity to explore its various astronomical instruments designed for observing celestial bodies. Notably, the observatory’s collection of giant instruments offers a unique glimpse into the scientific advancements of its time. Whether you're a history buff or simply curious, there's plenty to discover in this fascinating piece of India's scientific heritage.