For our series World of Worship, we sent correspondents across the globe to show us how different people celebrate their faith.

In recent years, Iraq has suffered terrible violence, often inflamed by religious differences. But in a country where worship can come at a heavy cost, CBS News correspondent Charlie D'Agata discovered an unlikely oasis hidden in the mountains: an ancient Christian monastery.

Just outside Chicago, on the shores of Lake Michigan, sits the oldest surviving Bahá'í House of Worship. "CBS This Morning: Saturday" co-host Dana Jacobson takes us on a journey to the "Mother Temple of the West" to look at one of the fastest growing new religions in the world.

In Turkey, CBS News correspondent Holly Williams takes us inside the world of whirling dervishes where men spin to connect with God. It's a school of Islamic practice with many fans in the United States.