-Waterpark
-Chinatown
-Abandoned depot turned into skatepark w/ flatbeds and tankers sunk into concrete
-Wiltzuh's mansion. I would live there
-Suburbs
-Kids playground
-Landfill
-Resort right next to water
-Museum (art, history, science)
-Mine
-Construction Site
-"After Earthquake" -scenario
-Oriental Bazar or marketplace
-Ghetto
-Beach area
-Police Station
-Fire Station
-Unfinished skatepark
-Big water treatment plant
-Docks
-Carfactory
-Graveyard
-Illegal spot at night
Just some ideas i have in my head but i'm way too lazy to use dem all...
Also RL remakes are always liked. And you could also try doing collab-park with someone. That opens lot of new ways when you can change or add something to someone others ideas and creations.