Most Helpful Guy
Assuming I'm allowed to take back modern equipment...
35000 B. C.
I would spend months interviewing paleontologists and anthropologists. I would ask them what they want to know. Then I would spend a month marveling at a world largely untouched by us. I would like to meet my Neanderthal cousins and see how my Cromagnon brethren lived.1
Most Helpful Girl
See, I'd love to go back to the times when the biggest unsolved mysteries happened, and find out the solution, but as most of them happened before modern hygiene, the earliest I would actually enjoy living in would probably be around the 1920s and 30s haha :)1