Based in Colorado Springs, Colo. Claims membership of over 4 million people in 13,609 churches in 81 countries and territories including more than 2,000 churches in the United States. Contact Rev. William (Bill) W. Malick, director of church multiplication ministries.

An evangelical church committed to church planting and world missions based in Fort Wayne, Ind.

Has network of over 1,500 churches worldwide. They work alongside existing local churches to help reproduce and plant new Vineyard churches. Michael Gatlin is the national church planting director.

Leslie E. Sponsel is a professor emeritus at the University of Hawaii at Manoa. He specializes in religion and ecology and has written about Buddhism and the environment.

The Wandering Jew, part of Ontario Travel Bureau, is an agency that books more than 50 Passover events, including Seder cruises.

The Pluralism Project at Harvard University offers a state-by-state search engine for religious communities.