The Gobi Desert, which stretches from northern China to southern Mongolia, is one of the world's greatest inland deserts. Every spring, fierce sandstorms hit... read more
Vietnam's Son Doong cave, which is 200 meters high and over 1.5 kilometers long, was certified as the world's largest cave in 2010. The British team that ori... read more
The Canadian Arctic, where the temperature can fall to -40°C, is in the middle of the Aurora Belt. The area is known for its frequent aurora displays; howeve... read more
The Arctic: Greenland. Recent global warming is causing unprecedented changes in this frozen land. The frequency of glacier collapse is rapidly increasing, a... read more
Nearly a thousand caves dot the ocean floor near the Bahamas, southeast of the Florida peninsula. These "blue holes" are limestone caves that have formed ove... read more
Russia's Kamchatka Peninsula is located in the Pacific Ring of Fire where most of the world's volcanoes can be found. It's a land densely clustered with volc... read more
Ethiopia -- the scorched earth of Africa. This is a place where temperatures soar to more than 55 degrees Celsius while at the same time cooler high-altitude... read more
Indonesia's Raja Ampat is home to some of the most spectacular marine life in the world. It is known as "the Miracle Sea," and a team of filmmakers from Japa... read more
The Namib Desert stretches far along the Atlantic coast of southern Africa. One area in particular, the Namib Sand Sea in Namibia, a recent addition to the W... read more
The Tasmanian Wilderness is in western Tasmania, Australia's southernmost island. It's a rich area that shows traces of the Earth's early history when Tasman... read more
Africa's Victoria Falls is one of the world's major waterfalls. The amount of water that plummets into the giant chasm in the vast plain below it can be as m... read more