My distrust and dislike of humanity stems from my rather intensive study of WWII. No way would I ever want to live in Europe during that time.
The choices weren't great. Most countries gobbled up by Germany and put under their boot.
Neighbors turning on neighbors and one didn't have to be Jewish to fall afoul of someone with an agenda. You had to hope to hell that you went unnoticed by both Germans and traitorous countrymen alike.
And being a Jew? Hiding and praying to God that no one turned you in, out of malice or for financial reasons. Going to a concentration camp where the very worst in humanity would be seen, most times from those in charge of the camps, other times from other inmates including those in positions of authority even though prisoners (Blockovas, for example.) Or over by Russia (Lithuania, Ukraine, etc.) whose virulent anti-semitism made Germany's seem like mild dislike. Having your small town round up you and your family, making you strip in the woods, the occasional rape of a pretty woman before she is shot and shoved into the pit, and the villagers squabbling over the possessions.
I've seen interviews (1970s) with survivors of said village (non-Jewish) who fully rationalized their odious behavior. They could not see that murdering innocent people, from old men down to infants, was anything other than OK.
I knew survivors of concentration camps. They were the lucky ones. They were young (most survivors went in as teens or young adults) when their nightmare happen. In the 1970s, when I lived near them, the woman would scream at night when she heard a train. You can imagine why. I knew this couple personally. Contrast that with my friend's Russian grandmother, over for a visit, who was a young woman in Russia during WWII and whose virulent anti-semitism was chilling to this Christian.
Or you could be anyone living in a town and subject to battle. Yeah, that would be fun. Check out Dresden, where people cooked alive in a firestorm. Or London, which had to endure more than a month straight of daily Blitz. Yeah, sitting in a shelter praying to God a bomb didn't fall right on your head or if it did, that you wouldn't be buried alive in your shelter.
The Siege of Leningrad. Watching your children die of hunger and being helpless to change that.
Or check out Nagasaki or Hiroshima. Ka-BOOM.
China wasn't a nice place to be for a non-Japanese in WWII. Or the Philippines, or various other Pacific island nations.
No, I wouldn't want to be in Europe (or Asia) during WWII. I'm content to have my curiosity satisfied by reading or seeing history. I can't fathom the terror that people had to face, sometimes on a daily basis. Bombing, fight in your town/city, treacherous people, fear that a loved one in the service would die, being shipped off to a camp (plenty of non-Jews, including Germans ended up in the various concentration camps) and wondering, who, if anyone, you could trust.
I'm of German descent and I'm ashamed of what the land of my ancestors did. They weren't alone, there were plenty of collaborators and willing people to do the nasty things. And I don't sneer back of the people of that time. They were human. I have zero doubt that people in our time and beyond are capable of such atrocities, one can only hope that they are checked from doing so.
I would also get to see WW2, so I would see what life was really like for people through those years. It would also be interesting to get a first hand perspective from other politically active countries, like Germany and Soviet Russia. Although I don't suppose I'd have much freedom to roam, and I'd have no legal identity in that time.