A candyfloss-pink lift/elevator scales the six colourful floors of Paris’ first ‘design hostel’. Good-size four- to six-bed dorms and doubles (from €27 and €70, respectively, outside high season) have en suites and are accessible all day. Some have Eiffel Tower views. Breakfast is included; there's also a self-catering kitchen, luggage room and lockers. No credit cards; no alcohol allowed.