I have not travelled the world but I have worked all over the UK. I have been on holidays to Spain, Madeira island, Mallorca, Minorca, Spain, Austria, Germany, Belgium and France.
We moved to the North of Scotland 15 years ago. Almost no crime. Not much traffic, wonderful scenery and beaches. But no big cities, nearest is Inverness, 3 hours drive away.
I would not live anywhere else and I do not like a hot climate.

Chris.