- A U.S. citizen with a valid passport can enter 147 countries without a visa
- It is no longer possible to add additional pages to passports, but it is possible to request the 52-page booklet when you apply
- To enter many countries your passport must be valid at least 6 months past your dates of stay and have at least 2 blank pages
- It used to be that travelers who had been to Israel could obtain a second passport to visit other Middle Eastern countries that would deny entry to anyone with a stamp from Israel; however, Israel now offers the option of stamping a separate piece of paper making a second passport rarely necessary
- Most U.S. citizens carry a dark blue passport, but diplomats carry black, and non-diplomatic government officials carry red
- If your passport expires with a valid visa in it you can use both the old and new passports together to gain entry to that country
- Carry extra passport photos with you when you travel; replacements that meet U.S. size requirements can be frustratingly difficult to obtain overseas
- Road warriors who can prove they must hand over their passports for a period of weeks to obtain a visa, but need it to travel in the meantime, can be issued a second passport valid for two years
