This video put out by RR Design depicts 55 different and interesting ideas for bathroom countertops that go well beyond the typical vanity. Not only does it show a variety of colors, sizes, shapes and edge profiles, but it also displays numerous materials.
Regardless of material, the bathroom can be a great upsell when putting in new kitchen countertops, and as this video shows can also be a great independent sale.
You may also be interested in this video of options for kitchen countertops.