I live in Doral so...
Non-Trip nearby:
Miami Beach (Made famous in GTA VC)
Everglades
Miami Reefs
Featured in movies (2F2F, Bad Boys 2, Etc)
Famous Universitys (FIU, UM)
Ultra Music Festival
Trip - Nearby:
Disney World(Orlando)
Key west (Key lime pies there are AMAZING)
Busch Gardens Africa (Tampa)
Kennedy Space Launch Station (Where NASA launch their stuff)
This is just off the top of my head, I hope I got the majority of it lol