Jantar Mantar at Jaipur is the largest stone observatory in the World and this feature makes it, a special destination for a traveler. Jantar Mantar of Jaipur is one of the five astronomical observatories built by Maharaja Jai Singh, the founder of Jaipur. During the period between 1727 and 1733, Jantar Mantar took its form and structure. Initially Jantar Mantar was named as Yantra Mantra, which means instruments and formulae, but due to mispronunciation of the term, it is changed to the recognized name.
Location : Next to the entrance of City Palace.
How to reach: One can easily reach Jantar Mantar from the city by taking local Buses, Rickshaws and Taxis.