The self-taught artist Abraham Lincoln Walker worked in his basement on phantasmagorical paintings, discovered by the art world more than 30 years after his death.

For a long time, wallpaper was reserved for accent walls, spare bedrooms, hallways and perhaps a daring dining room. But now, this decorative statement is having its moment on a much grander scale.

This is the case with a 1963 home at 3526 Everglade Pl. in North Vancouver. From the street, it looks like a small house tucked away in a giant, tree-filled property. But inside it unfolds into a ...