World's Safest Cities – Oslo, Norway - One of the most important aspects of traveling on any adventurer's mind these days is safety. Parts of the world are seeing wildfires, upped levels of violence, and extreme weather – but one of the safest cities in the world is just a jet away. The face of Oslo, Norway is multifaceted. The country can trace its roots to medieval times. If you enjoy history, ruins, castles, and fortresses, Oslo should rightfully take its place atop your luxury travel …