Ushering in the vortex is a winter storm, the third one of the week, which will track from the Intermountain West on Friday ...

Arizona The Grand Canyon is a testament to the earth's artistic powers, with its sprawling vistas and breathtaking colors.

Pagosa Springs, Colorado, is home to the Guinness World Record's certified world's deepest geothermal hot spring aquifer at ...

Buried several miles beneath East Antarctica's ice, Lake Vostok is one of the largest freshwater lakes on Earth, rivaling ...