1. New Zealand
Safety ranking: 4
Happiness ranking: 24
Things to do alone: To really get away from it all (and this is pretty much as far away as you can get), New Zealand offers a plethora of lakes, parks, mountains, and pristine coastline to explore. Spend a day idly soaking in some culture at the Auckland Museum, or, to meet some of the country's famously amiable people, go on a wine-tasting tour in Martinborough. It's also probably worth checking out where they filmed all those Lord of the Rings movies.
Chloe Pantazi is an editorial assistant on Thrillist's travel team. If you don't count moving to New York City, she's never traveled alone. Follow her on Twitter at @ChloePantazi.