This is a XML Sitemap which is supposed to be processed by search engines which follow the XML Sitemap standard like Ask.com, Bing, Google and Yahoo.
It was generated using the Blogging-Software WordPress en die Google Sitemap Generator Plugin deur iJunkey.
You can find more information about XML sitemaps on sitemaps.org and Google's list of sitemap programs.
This file contains links to sub-sitemaps, follow them to see the actual sitemap content.