yes, you definitely can find churches that do not follow Christian teachings. Many of these will perform this ceremony.
In Catholic churches.
Jews do not enter Christian churches because of the religious prohibition against participating in idolatry. The presence of icons and statues in Christian churches is seen as a form of idolatry from the Jewish perspective.
Christian Churches Together was created in 2006.
Australian Christian Churches was created in 1937.
International Christian Churches was created in 2006.
American Evangelical Christian Churches was created in 1944.
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.
Some people like to get married in churches. There are some people that like to get married outdoors. Others make just do a quick wedding at the justice of the peace.
National Association of Congregational Christian Churches was created in 1955.
New Testament Christian Churches of America was created in 1969.
It is all a matter of personal preference, but a lot of people seem to prefer Catholic Christian Churches and Presbyterian Churches.