Walk this way: “What Will You Leave Behind?” by Nino Sarabutra, where visitors are invited to walk on miniature porcelain skulls. Cool idea for sugar skulls. You may not be able to walk on them though.
The Unilever Series: Ai Weiwei Sunflower Seeds 2010 the interior of the Turbine Hall at Tate Modern with Ai Weiwei's installation of sunflower seeds--they are porcelain sunflowers hand-painted by the people of the Chinese city Jingdezhen
Doris Salcedo “Shibboleth” Tate modern - Turbine hall 2007 - I'm including this in "Public Art" because it was so accessible and the Tate Modern is a free museum to visit, apart from special exhibitions!