Norway
Sweden
Denmark
Finland
Germany
Poland
France
Czech Republic
Slovakia
UK
Ireland
Spain
Portugal
Croatia
Austria
Belgium
Netherlands
US
Brazil
Malaysia
Nigeria
Cameroon
Equatorial Guinea
Singapore
Saudi Arabia
Bahrain
Hungary

The shortest stay was in Bahrain, for three days. I’d add duration and impression to the list, but that’d take me forever. So instead I’ll just say that my favorites are Singapore, Malaysia, Czech Republic, and Croatia. Honorable mention: Bahrain