Light from the courtyard silhouettes a paper-covered door. The handcrafted doors and windows lend elegance to the earth rooms, which are surprisingly cozy thanks to radiant heating.  Photo 12 of 13 in Underground House in Seoul by Winifred Bird

Underground House in Seoul

12 of 13

Light from the courtyard silhouettes a paper-covered door. The handcrafted doors and windows lend elegance to the earth rooms, which are surprisingly cozy thanks to radiant heating.