In recent years, modernization has transformed Islam's holiest city. See how new technology and the increasing number of pilgrims has forced Islam's holiest city to modernize in a number of ways.

Muslim pilgrims in Mecca circled the Kaaba, Islam's holiest site, and then converged on a vast tent camp in the nearby desert, officially opening the annual Hajj pilgrimage on Monday, returning to its ...

Once a year, Muslim pilgrims flowing into Saudi Arabia unite in a series of religious rituals and acts of worship as they perform the Hajj, one of the pillars of Islam. As they fulfill a religious ...

Watch live as Muslim pilgrims perform “tawaf,” circling the Kaaba, Islam’s holiest site, in Mecca counterclockwise seven times. This year’s Hajj in Saudi Arabia attracted the lowest number of pilgrims ...