Salt flats in the Atacama Desert of Chile extend one mile into the earth and contain huge salt and lithium reserves. The Andes Mountains and the Pacific Ocean surround them.
Browse Oprah Radio host Dr. Mehmet Oz's past shows.
Browse audio clips from Oprah Radio host Dr. Mehmet Oz's past shows.
Browse Oprah Radio host Dr. Maya Angelou's past shows.
Browse Oprah Radio host Dr. Robin Smith's past shows.
