More than 2.5 million Muslims are expected to make the annual pilgrimage this year

Galvanized by the president's travel ban, director Adam Zucker challenges US citizens to stand up to racism against Muslims in a documentary that premiered July 22

The rural, open-air mosque dates to just after the Arab conquest in 636 CE and adds wealth of knowledge about an empire transitioning from Christianity to Islam

Major poll of Arab world shows Trump least popular foreign leader, Israel perceived as top threat, 'honor killings' more acceptable than homosexuality