Here’s the full list of countries that we can get into without a visa or by getting a VISA on arrival. Bolivia (Visa on Arrival): Valid for 90 days within 180 days. Cape Verde (Visa on Arrival): Valid for 90 days within 180 days. Mauritania (Visa on arrival): Valid for 3 days,15 days, 30 days, 90 days, or 360 days. Mauritius (Visa on arrival): Valid for 60 daysMicronesia (Visa not required): Valid for 30 days.