Completely depends on the content, audience and commenting system. Having conversation around your content is fantastic. If your audience prefers to discuss with their own social circles on Facebook, Twitter, etc then having a commenting system on your site may not do anything for you.<p>On the other hand, if visitors are encouraged to share their own travel stories and contribute to the content, then having comments could be of great value. In this case, it's part of your strategy, which means you'll also need to dedicate time and energy to make it work.<p>Having comments for comments sake is not worth it. I'd add some options to share content via other social sites/services instead.