Bikaner Experience: Bikaner is a ancient city ruled by Maharaja's and has many palaces built by them still intact. One of the major palaces is Junagad palace which also has a museum near by the same. This is a desert but well established city with all facilities for tourists and visitors. the hotels are well maintained and clean.
Food, sight-seeing and shopping: Once can get good hotels to eat. You can also get Rajasthani food in some of these hotels. Junagad palace, Karni Mata Temple, Gajner wildlife sanctury, camel safari are some of the site seeing places. Ensure you check for the camel safari with a reliable organiser otherwise you may not get the best deal.
If you have 3-4 days with you one of the best hotels to stay is Gajner Palace which is a old Palace converted to Hotel. Around this hotel you can see a big lake, a wildlife sanctury which are good to see. the hotel arranges for the safari in the sanctury.
Activities & things to do: Site seeing to above mentioned places.
Travel tips, How to reach, travel warnings etc: You can take a train or go by your own transport. From Delhi it is around 500+ KM's to travel. Carry some eatables with you since in most of the rout you will not find any good eating joints.