Contemporary door with frosted windows Love the look...wood is rather dark. Maybe maple-natural or white.
floor to ceiling contemporary door, concrete, by Workroom
Consider three dimensional addition to flat doors in bedroom....
Cottage Contemporary Interior Doors #6826 More
Beautiful!! Portella Iron Door Contemporary Door M3000
Invisible hinges. Contemporary door trim. Bella! Lualdi Door, Milan, Italy - Filo 55. (Click on photo for larger image.) Photo found here: http://www.lualdi.com/IT/Prodotti.aspx#porte|filo_55
contemporary door grey central vision panel and frame with fully glazed sidelights
50 Modern Front Door Designs More
Modern Garage: Modern Garage Door, Modern 2 Car Garage Doors ...
Simple, contemporary door