funhouse; fun house
A loanword from English referring to an amusement attraction with optical illusions, slanted floors, and other playful distortions.
遊園地のファンハウスで、鏡の迷路に迷い込んだ。
I got lost in the mirror maze at the amusement park's funhouse.
Borrowed from English 'funhouse' (or 'fun house').