raaven's note: I've included links to the various things I'd like to see, cause I'm like that. Feel free not to if you prefer.
1- The heyday of Luna Park(P)
2- Any point which would allow me to see a Saturn 5 up close & personal(O)
3- The library at Alexandria(O)
4- Pre-Roman British Isles(O)
5- Sumeria, somewhen between 2700BC-2500BC(P)