So the SEO add on that was added a while ago and some products and categories have odd url code added to them that we didn't add.
http://wilderness-voyageurs.com/ena0-34.html
Why does it have ena0-34.html?
If your URLs are still not indexed by the search engines, truncate the cscart_seo_name table in the phpMyAdmin. All seo URLs will be regenerated from actual object names