Jantar Mantar: It is considered to be one of the biggest observatories ever built. Combining religion, science and art, the Jantar Mantar is the name given to a chain of five, magnificent structures built in Jaipur, New Delhi, Ujjan, Varanasi and Mathura. The Jantar Mantar houses a variety of architectural and astrological instruments that have trapped the interests of astronomers, historians and architects around the globe.
They were formed with mathematical accuracy to serve various functions in charting and mapping out the travels of the sun, moon and stars in the sky.