Dr. Chris travels the globe and experiences the extremes from lava to sand to snow. He begins his journey on the island of Vanuatu where he comes face-to-face with an active volcano. His next stop is Abu Dhabi where he samples all the city has to offer. Then, Dr. Chris heads to the Australian Alps and gets a little carried away when a team of sled dogs takes him for a ride. Part of " The Open Road With Dr. Chris" series.