Nature:

• Argentina - Patagonia
• Australia and New Zealand (need to go back)
• Canada (need to go back)
• Georgia
• Iceland
• Ireland (need to go back)
• Morocco
• Namibia or Zimbabwe
• Nepal and Tibet
• Norway
• Scotland (need to go back)
• South Africa (need to go back)
• United Kingdom (countryside)
• United States (Alaska)
• United States (Montana, Wyoming etc.)

Exploring:

• Brazil
• Croatia
• Indonesia - Bali
• Sri Lanka
• Thailand

Citytrips:

• Athens
• Copenhagen
• Munich
• St. Petersburg and Moscow
• Stockholm
• Zurich

Culture and History:

• Azerbaijan
• China
• China
• Cuba
• Egypt
• Guatemala (need to go back)
• Mexico (need to go back)
• Peru
• Suriname

Visit friends:

• Finland
• Honduras
• Sweden

European countries I've never been to, but maybe want to:

• Albania
• Andorra
• Bulgaria
• Croatia
• Cyprus
• Iceland
• Liechtenstein
• Malta
• Montenegro
• Norway
• Romania
• San Marino
• Wales

Reserve (not safe, cultural mismatch etc.):

• India
• Iran
• Vietnam