Bathroom Alcove Shower Ideas . Make multiple display shelves for a playful approach. His and hers navy blue vanity with gold hardware and polished chrome fixtures. Mosaic shower niche Shower niche, Bathroom niche, Bathroom design from www.pinterest.com It’s hard not to appreciate this bathroom. The ceiling detail conceals an hvac access panel. His and hers navy blue vanity with gold hardware and polished chrome fixtures.