The corner of Fourth and Broadway Streets, where the Vincennes Post Office is now located, was once the site of an important sanitarium. Dr. George Knapp opened the Knapp Sanitarium there in 1898.
But one wouldn’t want to drink it. What distinguishes the water at Khoja Obi Garm, a sanitarium in Tajikistan’s craggy Hissar Mountain Range, is that it’s naturally infused with radon ...