Several comments layed out some alternatives, and it's usually fairly easy to figure out where you can go, my personal favorite are the Wikipedia pages: http:/

Several comments layed out some alternatives, and it's usually fairly easy to figure out where you can go, my personal favorite are the Wikipedia pages: http://en.wikipedia.org/wiki/Visa_requirements_for_United_States_citizens http://en.wikipedia.org/wiki/Visa_requirements_for_United_St... However, there is one edge-case that I do not see covered: I am a permanent resident of Germany, citizen of Vietnam and hold a valid visa for the US. Sometimes these qualifications allow for entry (for example Mexico). I'd love to see an overview of what other countries I can visit without a visa given my residency and other visas.