The 339 modern rooms at the imposing, steel-and-glass Trump Hotel Chicago soar above the Loop, many with giant all-limestone bathrooms, fireplaces, kitchens and floor-to-ceiling windows with expansive city and water views.

BBC: Business trip: Chicago

Japan's ANA, for instance, is outfitting its new 787 fleet with gender-segregated bathrooms that have windows and bidet-toilets ("Washlets") that offer warm, pressurized water jets for a fresher clean than one-ply paper.

CNN: Best economy-class innovations

Your suite comes complete with a king-size bed, a wet bar for your pinot grigio, bathrooms with double marble vanities, sitting areas and windows that open up to the sweet wine country air.

BBC: Daily deal: Sonoma wine country