Huge walk in shower with tub inside of shower area. This creates a wet room. Glass partition doesn't make you feel like you are in shower while you are bathing. You would need a lot of space for this bathroom setup.
The floor tile in this bathroom by Mark Reilly Architecture is Heath Ceramics' Half Hex Mix. The walls are beveled subway tile (click the link and scroll down for sources). - 10 Bathrooms with Showstopping Tile Plus Where to Find It