Many churches aren't and weren't fancy, but maybe there is one near you that is. My guess is that they wanted to attractive more people.
Christians are not allowed in Mecca, so there are no churches in Mecca.
Australian Christian Churches was created in 1937.
International Christian Churches was created in 2006.
Christian Churches Together was created in 2006.
Aisha Shah does fancy Christian Penn.
American Evangelical Christian Churches was created in 1944.
National Association of Congregational Christian Churches was created in 1955.
New Testament Christian Churches of America was created in 1969.
Some Mormon churches have polygamous worshippers.
Thousands of them
Union of Christian Evangelical Baptist Churches of Moldova was created in 1991.
Orthodox Christian Reformed Churches in North America ended in 2008.