Different choices of Travertine stones. Travertine is one of the oldest building materials in existence, and a floor made with travertine adds a sense of age and prestige to the home. At the same time, it has inherently dominant energy that draws attention in a subtle, subdued way, with mild tones found swirling in its hazy, shifting surface effects. Each piece is also a nature-formed work of earth art, creating a one-of-a-kind installation.