Adam West's Stately Manor is a mansion located in Dimmsdale. It is where Adam West, a.k.a. Catman resides. This place first appeared in "Miss Dimmsdale" when Timmy visited this place to have Adam West sign his autograph on a picture of himself.
Stately West Manor
A large mansion built atop a hill with a winding path leading up from the street and a gate.
A cave built into the side of a cliff near the manor. The door is shaped like a cat's head. This is where Catman presumably stores his superhero gear, if he has any.
Timmy and his Godparents at Stately West Manor.
Adam West at the front door of his manor.
Timmy asks Catman if he can sign his autograph on a picture of himself.
Catman finding his Cat Pen.
Timmy sees that Vicky is at Stately West Manor much to his shock.