White silica mud lines the bottom of the lagoon, and boxes of the stuff are available for bathers. To fit in with the Icelanders, apply the mud on your skin and let it dry for about 10 minutes. The result: baby-soft, smooth skin. Along with the high sulfur content of Iceland's hot water, the mud might explain why Icelanders have near-universally clear skin.
Icelandic fun fact #6: Prime Minister Jóhanna Sigurðardóttir is the first openly gay head of state in the world. Iceland, home of the world's oldest ongoing parliament, has been called the most feminist country in the world.