Worshipers spend a day and night here in prayer and contemplation ... The Hajj ends where it began, in Mecca. At the heart of this holy city is the Great Mosque. Covering almost 100 acres ...

Night falls in the ancient city of Harar ... while some Ethiopians consider it to be Islam's fourth holiest city after Mecca, Jerusalem and Medina, although this view is not shared by most ...

in the holy city of Mecca during Ramadan on July 14, 2015, on Lailat al-Qadr, or Night of Power, on which the Koran was revealed to Prophet Muhammad by Allah." Read next Jump to ...