United States

Articles and information related to the geography of the United States

Graph with lines in 1,000 foot intervals with a mountain graphic and labels corresponding to the heights of the five tallest mountains in the United States.

The Highest 11 Mountains in the United States

Elizabeth Borneman

Learn about the highest 11 mountains in the United States.

A shaded relief map of the United States with inset maps for Alaska and Hawaii with lowest points in each state marked with a small black dot and highest points in each state marked with a red diamond symbol.

U.S. States With the Most Extreme Elevation Spans

Caitlin Dempsey

Here are the states with the greatest difference in elevation between the highest and lowest points.

Three wolves eating a deer in the snow.

Study: Human Activities Have Changed How Wolves Hunt Deer

Caitlin Dempsey

Logging, linear features, and human infrastructure are changing where wolves hunt for deer.

A view across a valley of a dome volcano on a bright sunny day with a blue sky and some clouds.

Largest Dome Volcano in the World

Caitlin Dempsey

Lassen Peak is the world's largest dome volcano with a height of 10,457 feet (3,187 meters).

A view straight up a grove of redwoods.

Fog Sipping Coastal Redwoods

Caitlin Dempsey

The tallest trees in the world, the coastal redwood trees of Northern California, have a remarkable ability to use fog as a source of moisture.