Non Muslims don't go on Hajj.
They Muslims to go the city of Mecca to perform Hajj. But they must go to Mina and Arafat to complete the rituals of Hajj.
Hajj is not a religion but it is one of the pillars of Islam.
There is no 'a Hajj.' Hajj is the pilgrimage where all Muslims are required to go for Pilgrimage. This is a spiritual and only religion- based journey.
To pray
Muslims perform Hajj in the Holy city Makkah and Madina in Saudi Arabia.
to show that they have left all worldly pleasures or can for go all worldy pleasures
Because something.
They go on Hajj to get rewards from Allah (God) so they can go to Heaven. I know this as I am a Muslim!
Hajj is a ritual for Muslims only. http://en.wikipedia.org/wiki/Mecca#Entry_to_Mecca_for_Non-Muslims
Muslims are not required to go anywhere during the holidays of others. During Hajj, Muslims go to Mecca.
Although Hajj is not compulsory on children but they are allowed to go for Hajj. Hajj is compulsory, for once in life, on the adult mindful Muslim (male or female) who can afford doing it fimancially, physically, and securely.