By Michael Lanza
A vast sea of liquid glass spread out before us as we aimed our kayaks out into Milford Sound, a 4,000-foot-deep fjord in Fiordland National Park, on the southwest coast of New Zealand’s South Island. A thick fur of rainforest clung to cliffs plunging straight into the sea. The sharp, rock-crowned arrowhead of Mitre Peak rose to 5,545 feet (1,690m) out of the ocean, slashing at the sky.