How do I find out if something is worth money?

I have a religious statue, in a glass/wood shadow box type of thing of Saint Rita of Cascia. I just want to know if it is valuable...how can I find out on-line? Thank you~|||You could try going to Antiques Roadshow if you can%26#039;t find it on the internet.|||Get it appraised.|||go to ebay and do a search. If you cant find it there do a post on ebay and someone will find out for you...