non-fandom --

• rollercoasters
• bath bombs
• cars
• birds
• recreational drugs/drug history/drug culture, etc.
• russian history/culture

fandom related --

• axis powers: hetalia
• pokemon
• monster hunter
• fantastic beasts and where to find them
• harry potter
• warriors series
• various bands (death cab for cutie, frightened rabbit, a day to remember, coldplay)