ROOST Rittenhouse, Philadelphia

The impeccably designed apartment hotel making "extended stay" a lot more welcoming

The words “extended stay” gives many the shudders—evoking business trips hiding under the guise of family vacations, memories of a friend’s painful divorce process, and pretty generic-looking rooms. But now that rentals like Airbnb have become an attractive alternative for lengthy stays, long-term hotels are stepping up their game, too (to be clear, in America; international cities like London already have mastered the luxury extended-stay …