"Fifth Kingdom" refers to the taxonomic rank for fungi. The five-kingdom system for defining eukaryotic organisms was proposed by Robert Whittaker in 1969 and was the first to include fungi as a kingdom of its own. Hence, Fifth Kingdom Works is a brand focused on mycology, fungi and mushrooms. All items sold by Fifth Kingdom Works (which include: jewelry, headbands and hair accessories, stationary, and terrarium supplies) are in some way, mushroom or fungi related.
Photos I captured in 2013 from the Canadian side of Niagra Falls.