AdWords Destination URLs
This report lets you see the URLs in your site to which you've directed visitors from your AdWords ads, along with any campaign tagging in those URLs.
This functions as a landing-page report exclusively for AdWords traffic, and given this information, you can see which of those pages is most effective in engaging your visitors and helping them make the conversions that you want.
If you are using redirects from any of your Destination URLs, you can add Landing Page as a secondary dimension to see exactly where visitors are ending up on your site. You can use this to verify that they're ending up where you expect them to, and to see which of those redirects are working in your favour.
View the report by Ad Distribution Network to see which methods of distribution (e.g. Google Search or Google Network) are most effective. If you're running the same ads everywhere but one network is dramatically less successful, you can consider running different ads on that network, or take time to tune your ads for that particular venue.