The sound of church bells is part of the landscape of sound in Pittsburgh just like car horns honking and helicopters flying overhead to the hospital. But they are also much more than that. Bells can carry meaningful and sometimes secretive histories of the churches where they hang. And for Christians who attend these churches, the sound of church bells ringing creates time and space for prayer outside of the secular world. By doing this, church bells make themselves a vital part of religious expression in Pittsburgh.