United States
Articles and information related to the geography of the United States
Geography of Kansas
Flat expanses, badlands, rolling hills, cuestas, and canyons shape Kansas' geography.
How Reintroducing Wolves Changed Yellowstone National Park
Scientists have documented the trophic cascade effect of reintroducing wolves to Yellowstone National Park.
Which States are Part of New England?
New England is a geographic region in the northeastern tip of the United States that contains six states.
Waterfalls That Flow Into the Open Ocean
Waterfalls that flow directly into the ocean are known as tidefalls, a rare natural phenomenon where freshwater meets the sea.
Where are Wild Turkeys in California From?
The wild turkeys that roam California were originally introduced from Texas.
Synanthropes at a Horse Stable in Northern California
Synanthropes are wildlife that benefit from living near humans.
Continental vs. Contiguous United States: Key Differences Explained
Continental and contiguous are two geographical words used to describe parts of the United States.
Geography of Wild Horses in the United States
Wild horses continue to roam the Western United States as well as parts of the East Coast.
Geography Facts: Rhode Island
Learn geography trivia about the smallest state in the United States.
Early Wildfires in New Mexico
Wildfires in New Mexico are are starting earlier each year due to warmer and drier conditions.
Bewick’s Wren
The Bewick's Wren (Thryomanes bewickii) is a small songbird native to North America.
ZIP Codes in the United States
It’s likely that if you routinely send mail to a location within the United States, you know how critical it ...
Which U.S. States are Landlocked?
There are 27 states in the United States that are single, double, or triple landlocked.
Greatest Concentration of Breeding Bald Eagles in the Continental U.S.
The San Juan Islands in Washington has the highest concentration of breeding bald eagles in the continental United States.
The Largest Cactus in the United States
The Saguaro Cactus is the largest cactus in the United States
Geography of Montana
The fourth largest state, Montana has a diverse geography that stretches from grass prairies to mountainous terrain.
Using Giant Arrows to Guide Airmail Flights
The Transcontinental Airway System guided nighttime airmail flights before the invention of radio navigation and GPS.
Geography of Igneous Rocks in the United States
About 15% of the Earth's present land surface is made up of igneous rocks.
How El Niรฑo and La Niรฑa Affect Rain in the United States
El Niรฑo and La Niรฑa are weather patterns that frequently have a considerable impact on the western and southwestern United States.
Geography Facts about Kฤซlauea
Kฤซlauea is the youngest and most southeastern volcano on Hawaii island.
The Shortest River in the United States
The shortest river in the U.S. is Montana's Roe River, which stretches only 201 feet.
Geography of Pumpkins in the United States
Pumpkins are a popular gourd for Halloween and Thanksgiving in the United States.
Sand Dunes in the United States
Discover the diverse sand dunes across the U.S., from towering Great Sand Dunes in Colorado to coastal dunes along the Atlantic and Pacific shores.
Geology Quick Facts for Each U.S. State
Listed here are the official state rock, gemstone, mineral, and fossil for each U.S. State.