Paintings › The Oasis - Joshua Tree, CA; 48"x48", Acrylic on canvas - SOLD Image 1 of 1 The Oasis - Joshua Tree, CA; 48"x48", Acrylic on canvas - SOLD $6,500.00 The Oasis - a sign saved from demolition but slowly disintegrating in the desert sun… in Joshua Tree, CA. Quantity: Add To Cart Added! The Oasis - a sign saved from demolition but slowly disintegrating in the desert sun… in Joshua Tree, CA.