The Egyptian museum (المتحف المصري) contains the biggest collection of ancient Egyptian artifacts in the world (I would certainly expect so). The Egyptian museum was built in 1835 and was moved multiple times before it was moved to the current location in 1902.Today, almost everyone who comes to Egypt visits the Egyptian museum. Just to walk around it without looking at things too much will take a whole day, in order to see it properly, you probably need a few visits.