Kitchen reno surprise Renovation relic: Man finds hominin jawbone in parents’ travertine kitchen tile Yes, travertine often has embedded fossils. But not usually hominin ones.

Travertine has been used as a building material for centuries. The Romans used it for temples, bathhouses, and amphitheaters (ahem, the Colosseum).

Still, he says Travertine Point will be built even if the Salton Sea dwindles to just a salty, fishy puddle. Meanwhile, he "argues that this is the most sustainable project that has ever been ...