Pilot Erick Ceja has visited (landed in) a total of 136 countries but have 104 countries yet to explore.
Algeria
Anguilla
Antigua and Barbuda
Barbados
Belize
Bosnia and Herzegovina
Botswana
British Indian Ocean Territory
British Virgin Islands
Brunei
Bulgaria
Burkina Faso
Burundi
Cambodia
Cameroon
Central African Republic
Chad
Christmas Island
Cocos (Keeling) Islands
Comoros
Congo
Cook Islands
Croatia
Djibouti
Dominica
Equatorial Guinea
Eswatini
Falkland Islands
Gabon
Gambia
Ghana
Grenada
Guernsey
Guinea
Guinea-Bissau
Isle Of Man
Jersey
Johnston Atoll
Kazakhstan
Kenya
Kiribati
Kosovo
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Libyan Arab Jamahiriya
Madagascar
Malawi
Mali
Marshall Islands
Martinique
Mauritania
Mauritius
Mayotte
Micronesia
Midway Islands
Montserrat
Morocco
Mozambique
Norfolk Island
North Korea
Northern Mariana Islands
Palau
Palestine
Reunion
Rwanda
Saint Helena
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and The Grenadines
Samoa
Sao Tome and Principe
Sierra Leone
Somalia
Sri Lanka
Tajikistan
Tanzania
Timor Leste
Timor-Leste
Togo
Tonga
Tunisia
Turkmenistan
Tuvalu
Uganda
Uzbekistan
Vanuatu
Wake Island
Wallis and Futuna
Western Sahara
Zambia
Zimbabwe