I was keen on going to Avalon, Phyllis, but Atlantis would be interesting--take care with the settings so we get it before it sank.

For B, however, I think 18th century Bath, England. I would like to meet my hero and heroine, William Herschel (musician and astronomer) and his sister Caroline (first woman to discover a comet and be made an honorary member of the Royal Astronomical Society).