35 Worst Countries To Visit – Avoid Traveling Here No Matter What 17. Nigeria This African country is fraught with scammers and human traffickers. The crime rate here is high and corruption is prevalent. Prev Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39