Fodor's Expert Review Soap Lake

The water is high in dissolved carbonates, sulfates, and chlorides, and the lake has long been famous for its mineral waters and therapeutic mud baths; in fact it was called the "World's Greatest Medical Marvel" more than a century ago. Yet the eponymous small town has never quite succeeded as a modern-day resort—perhaps because the miraculous waters have been heavily diluted by irrigation waters. Still, a loyal contingent of believers return to the lakeshore each year to cover themselves in the mud that they find healing.