When you say "go to church" you mean "go to a church to worship". For example, "My parents are deeply religious. They go to church every Sunday morning."
You could use "go to the church", but in a different context, when there is no idea of going there to worship. For example, "When we were in Ouro Preto, we went to the church where my parents were married."
Re:Go to church
Data: 09-01-2011 | De: Amadeu Marques