Explore the Appalachian Mountains: discover their location, ancient formation, and significant ecological impact on Eastern ...

Upon the demise of the Central Pangean Mountains 200 million years ago, height was lost, and valleys formed. A breakup occurred, which birthed both the Indian and Atlantic Oceans.

Pillars or spires (also towers, needles and balanced rock) are slender isolated columns of rock that form as the erosional remnant of a butte. The Arkansas River Valley varies from about 30 to 50 ...

The most impressive natural feature in the Coachella Valley is the northeast face of San Jacinto Peak. In slightly less than 7 horizontal miles the peak rises from 800 to 10,834 feet above sea ...

The most famous examples of this type of mountain are those that make up the Himalayas, which run over 1,500 miles (2,400 km) from end to end. These mountains were formed by the collision of the ...

They also play a significant role in our weather. A question was recently asked as to why the mountains get more snow than the valleys do. Meteorologist Mitchel Coombs explains why this occurs.

Mountains are collapsing: A Swiss mountain peak fell apart, sending 3.5 million cubic feet of rock into the valley below. Scientists warn climate change could make more mountains crumble.