Some places Percy came across would be the Hoover Dam, Medusa's layer, which is "Aunty Em's Emporium", San Fransisco, Half-Blood Lotus Hotel and Casino, Olympia, Atlas's mountain, the Underworld, a museum, and New Mexico.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.