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: Built-in bicycle racks in a staircase designed by Postgreen Architects; via Dwell.
Above: The Michelangelo Two Bike Gravity Stand is $75 at Public Bikes.
Above: A minimal white hallway with bike via House to Home UK.
Above: Photo by Daniel Hertzell.
Above: Another view of Chris Brigham's Bike Shelf, via Knife & Saw.
Above: A bicycle in Amsterdam via Vittorio on Flickr.
N.B.: This post is an update; the original story ran on January 30, 2009.