1. Sourgrassbuilt Sunset Modern ($330) California artist Douglas Barnhard makes birdhouses inspired by such masters of midcentury modern architecture as Joseph Eichler and Frank Lloyd Wright. This sleek model features a rooftop planter for succulents. Buy it at Sourgrassbuilt. 2. Koehler Home Décor Biker Bar ($18) Oregon-based Koehler specializes in cute, kitschy birdhouses: miniature schoolhouses, lighthouses, tiki huts, and much more.