City dwellers know the challenge of where to park the bicycle indoors; here's a roundup of ideas. For an excellent selection of storage racks, see the New York Times Personal Shopper Slideshow and TreeHugger Picks: Bicycle Storage Options.

Above: Photo by Toni Meneguzzo.

Above: Photo by Jason Schmidt.

Above: A photo from Flickr.

Above: A simple bicycle in a Swedish interior.

Above: A bicycle in Amsterdam, via Flickr.

Above: Photo by Daniel Hertzell.

Above: A clever solution for a smaller bike, via Slade Architecture.

Above two photos: Architect David Baker's San Francisco loft, via Dwell.