You might not have heard of the relatively new countertop choice; of all things, concrete! The first image that comes to mind is a sidewalk or a driveway. Not very appealing, as something to put

  This photo is borrowed from http://remodelista.com their bath remodel section. Remodeling projects vary so tremendously from almost austere styles to ornate.   A nice detail of a  concrete vanity top and chrome, single lever