Use an empty wall in a small laundry room to dry clothes. HomeDecorators.com
Laundry drying rack that folds flat against the wall. Maybe paint it to match wall paint.
Accordion Drying Rack - Closed: 35-3/4"W x 9-3/4"D x 18"H; Extends to 28-1/2"D Weight: 20 lbs.
Retractible clothes line hidden in a cupboard.
Letting It All Hang Out
The Pocket Chronicles: Mike's Clothesline Invention
Love the drying racks!
Laundry room drying rack
Pulleymaid™ Beadboard Clothes Drying Rack | Wall Mounted Utility Clothes Airer Dryer
Hope, Longing, Life: Ikea towel bars for drying clothes in the laundry room. Behind the door.