Sahih Muslim Book 41, Hadith Number 6977.

Chapter : The Last Hour would not come until a person would pass by a grave and wish that he should have been the occupant of that grave because of this calamity.

Jabir b. Samura reported: I heard Allah’s Messenger (may peace be upon him) (as saying, there would lie open for a group of Muslims, or for a group of believers, the treasures of the family of Kisra which would be in the whit (palace). In a version of Qutaiba there is definitely the word “Muslim”.