Google now offers Translated Search, for results from any language
This opens up tons of information that was previously hard to get at if you didn't speak a language well enough to search in it. It even works in multiple languages at once. Google gives the example of searching for restaurants in Antwerp, where both French and Dutch are spoken - Translated Search will show you both.
If you want to try Translated Search for yourself, you can turn it on in your search options panel.