Official dollhouses - those you can purchase in stores and online - kind of fall into the same categories over and over. Sturdy ones for toddlers and preschoolers, or delicate replicas for the adult collector. Sometimes it's a little boring.
Break out of the mold and make your own DIY Dollhouse, like this adorable Suitcase Dollhouse from My Poppet. The chalkboard cover is such a sweet creative touch, and the interior is just blank enough for lots of rearranging and remodeling. This little girl can redesign to her heart's content.
(Images from My Poppet)