Facade of Jaipur Jantar Mantar

The facade of jaipur jantar mantar. Jaipur, the beautiful pink city houses several monuments that are specimens of ancient Indian architecture. Located right in the center of the pink city, jantar mantar, the huge astronomical observatory is also a site that glorifies the engineering and architectural brilliance of India in the past. Built by maharaja jai singh II, the jantar mantar houses a collection of unique stone structures that were used as astronomical instruments.