United States

Articles and information related to the geography of the United States

A view of Mauna Loa from Mauna Kea. Photo: USGS, public domain.

Geography Facts About the World’s Largest Active Volcano

Caitlin Dempsey

Hawaii's Mauna Loa is the world's largest subaerial volcano as well as the world's largest active volcano.

A mosaic of satellite imagery showing the state of Kansas.

Geography of Kansas

Marques Hayes

Flat expanses, badlands, rolling hills, cuestas, and canyons shape Kansas' geography.

A brown wolf with yellow eyes stands in the snow in front of evergreen trees.

How Reintroducing Wolves Changed Yellowstone National Park

Mark Altaweel

Scientists have documented the trophic cascade effect of reintroducing wolves to Yellowstone National Park.

Map showing the six New England states in red and the red of the states in grey for the continental United States.

Which States are Part of New England?

Caitlin Dempsey

New England is a geographic region in the northeastern tip of the United States that contains six states.

Simple map with grey areas for countries and light blue for oceans showing the location with large dark blue triangles that are labeled with the names of tidefalls.

Waterfalls That Flow Into the Open Ocean

Caitlin Dempsey

Waterfalls that flow directly into the ocean are known as tidefalls, a rare natural phenomenon where freshwater meets the sea.