It is an unassailable fortress, which has never been conquered. Built in 1593 A.D. by Raja Rai Singh, one of the most distinguished generals in the army of Emperor Akbar, the fort is a formidable structure encircled by a moat.

The main entrance to the fort is Karan Pol [gate], that is east facing. Next to it is the Suraj Pol meaning the sun gate. The fort situates in it some very magnificent palaces like Anup Mahal, Ganga Niwas and Rang Mahal or palace of pleasure. The Har Mandir is the majestic chapel for the royal family for worshipping their gods and goddesses. These palaces, constructed in red sandstone and marble, make a picturesque ensemble of courtyards, balconies, kiosks and windows dotted all over the structure. The premises also houses a museum which is an array of a rich collection .

This grand palace is an architectural masterwork in red sandstone, and was built by Maharaja Ganga Singh Ji in the memory of his father Maharaja Lal Singh Ji in 1902. Sir Swinton Jacob designed this oriental fantasy. This architecture is a fusion of Rajput, Mughal and European architecture. The exterior contrasts dramatically with the oriental interiors and amenities. The palace has beautiful latticework and filigree work, which are hallmarks of a great craftsmanship.
The Palace has an amazing collection of well-maintained paintings and hunting trophies. Sprawling lawns with blooming bougainvillea and dancing peacocks make a visual extravagance.

Bhandeswari Jain Temple is a fifteenth century temple and is the oldest monument of Bikaner. The temple is decorated with rich mirror work, frescoes and gold leaf paintings.

Havelis are ancient mansions of dwelling of the noble and wealthy. They are known for their opulent life style and intricate carvings and craftsmanship along with sprawling courtyards. Bikaner is full of such havelis and the notable amongst them belong to Kotharis, Rampurias, Vaids and Dagas. To view these havelis the suggested route is Gogagate, Daddhon Ka Chowk, Rangari Chowk, Assanion Ka Chowk, Mohta Chowk, Binnanion Ka Chowk Daga Chowk, BK School and Jassuar Gate.