What would your dream Wario themed Mario Kart track be like?

Would it be a location from one of the Wario Land games, like Kitchen Island, Wario's Castle or Hotel Horror? Would it be based on WarioWare, like the Diamond City track from the arcade games?

Or would it be based on a standalone title like Wario's Woods or Wario: Master of Disguise?

What would your dream Wario themed Mario Kart track be?

I think that a track where you drive through the WL4 pyramid, going through portals to different stages in the game could be pretty cool.

I would like a new Diamond City WarioWare racing stage, a stage more similar of WarioWare videogames.

And a WarioWare stage like Super Smash Bros Brawl WarioWare stage, but like racing stage, for players play microgames while they are racing.