Dean Potter died today doing what he loved in Yosemite National Park. Here is a rerun of an interview we did with Dean last June: Dogs are loyal, brave and love to go wherever their owners do. Climber, BASE jumper and wingsuit flyer Dean Potter took truism to its logical conclusion when he would...

This week, we swim from Cuba to Florida, then we dodge danger in Yemen on top of a camel, race on wild horses in North Dakota, and learn the secrets of Australia's roadkill.

This week, we hitchhike from Tasmania to London, get a good night's sleep, protect a 300,000 miles of ocean, hike 2,600 miles in winter, and stop forests from burning down.