Under Armour found the future of fitness tracking and it's a pair of sneakers

I'm in Tierra del Fuego National Park, an archipelago at South America's tip that's shared by both Chile and Argentina, approaching a sign that says I've reached the "End of the World." Considered the gateway to Antartica, the park is a beautiful region known for the stunning, snow-capped Andes Mountains and dramatic scenery filled with waterfalls, lakes and greenery.

I'm without Internet but reach into my backpack to grab my iPhone 6S and snap photos, an effort that reinforces the remoteness of the region. It's rare to be completely disconnected, but in the moment, I feel isolated.