Dark grout. Dark grout doesn't show dirt as easily and makes tile (like the hex tiles pictured above) really stand out.
Hotel Sahrai-Christopher Lilliet...in morocco! Rooms start at $185
serene shower room in pale stone with gorgeous lighting - Marriott Singapore, hba
Manor by the River
Love the shower behind the wall and the tiled woodplank-look wall.
An unusual idea but to some an ingenious one. A clear glass divider between a hotel bedroom and bathroom is an absolute must for some and if it's not your cup of tea, all that's required is the flick of a switch and the glass fogs to create a wall.