Question: countries which does not require visa for us citizens?
Answer: U.S. citizens have visa-free access to 174 countries across the globe, including such far-flung destinations as Brunei and Kyrgyzstan. U.S citizens can even get a visa on arrival for many countries, including Azerbaijan, Indonesia, Bahrain, Cambodia, Djibouti, Ethiopia, Kuwait, Laos, Lebanon, Nepal, Rwanda, and others.