Language, exchange rate, weather, sights, safety, and internal travel
Vietnam: survive on less that $8 a dayItaly: according to UNESCO, has the greatest number of world heritage sites in the world with 49
THINGS YOU NEED: PASSPORT, A GUIDE BOOK, YOUR EMBASSY,
According to the US travel Association, only 30% of Americans have passports
-Do your research on the state of diplomatic relations between the US and other countries when traveling-Russia, China, Brazil, many others require masses of paperwork, and charge at least $150 to obtain an entry visa-Also consider relations between the countries you plan to visit-If you have an Israeli stamp in your passport, you will not be allowed to visit Saudi Arabia-Have no diplomatic representations with the US, North Korea, Iran, Cuba, possible to get around it though another, neutral embassy, such as Swiss.
According to their website Usembassy,gov, there are 294 US embassies around the worldYour embassy website has all visa information and paperwork, country specific information, travel alerts, as well as news. If you get in trouble with the law, anything, your embassy needs to be contacted.
Be flexible, your city-to-city travel plans may not always be possible
Generally,
Only pack enough clothes for a week1 pair of shoes Consider the weather, pack layers
Every day over the counter medicine: Benadryl, aspirin, motion sickness, Depending on where you visit: malaria pills, Required injections: yellow fever, typhoid,
ISIC card gets you student discounts on flights, museums, hostels, tours.Apply online, costs $20 and try to use it everywhere