Ashley's Mansion

Ashley's Mansion is a haunted mansion located in Diamond City, which is seen in the WarioWare series, first appearing in WarioWare: Touched!. It is where Ashley and Red live and create their evil potions. It is seen in every WarioWare game where Ashley appeared. It is notable enough to sing about in Ashley's song from WarioWare: Touched!

WarioWare: Touched!
Ashley's Mansion is portrayed as a spooky place, with the interior being decorated with skulls and the illumination done by candles. The house is surrounded by dead trees and constant thundering clouds. Only a single microgame is played inside it.

WarioWare: Smooth Moves
Ashley's bedroom and the mansion's library are shown for the first time in this game, with all microgames taking place inside the latter.

WarioWare: D.I.Y.
The mansion only appears in a black-and-white introduction of the stage. All microgames take place outside it, among the dead trees.