the built-in bookcase shelf wall is such a great idea. the shelves are different heights and would normally end into a wall. Keeping the right side open creates a larger room, and force your eye to look at your collectables. How to display your shelves.
Four wall-mounted drying racks in a mudroom create an instant indoor drying room; recreate the look with four wall-mounted racks from Ikea. For something similar, consider Ikea's wall-mounted Grundtal Drying Rack;