Muted green penny tile and wallpaper give this simple alcove tub an elevated look. Black and white farmhouse-inspired tile and a paned glass window give this soaking tub a farmhouse backdrop.

A drop-in tub can be set in an alcove or outside the room ... There are several drop-in options: “Soaking tubs are super-popular these days,” says Khiel. “And we’re doing a lot of projects ...