May 22, 2025 · San Andreas Fault, major fracture of the Earth’s crust in extreme western North America. The fault trends northwestward for more than 800 miles (1,300 km) from the northern …

Alcatraz, former maximum-security prison located on Alcatraz Island in San Francisco Bay, off the coast of California.

Jun 6, 2025 · Sierra Nevada, major mountain range of western North America, running along the eastern edge of the U.S. state of California. Its great mass lies between the large Central …

Apr 3, 2015 · This is a list of selected cities, towns, and other populated places in the United States, ordered alphabetically by state. (See also city and urban

Jun 2, 2025 · Elvis Presley, the iconic singer and actor known as ‘The King of Rock and Roll,’ revolutionized popular music with his electrifying performances and enduring influence on …

There are more than 1,500 potentially active volcanoes or volcanic areas around the world at any given time. They may be the world’s most dynamic landforms, given their ability to grow by …

Jun 21, 2025 · Wyatt Earp, legendary frontiersman of the American West who was perhaps best known for his involvement in the gunfight with an outlaw gang at the O.K. Corral (1881). He …

The Standing Rock protests were a campaign undertaken in North Dakota in 2016 and 2017 to halt the construction of the Dakota Access pipeline. Early resistance to the pipeline was …

Jun 21, 2025 · Rock Hudson, American actor noted for his good looks and movie roles during the 1950s and ’60s, including Magnificent Obsession, Giant, and Pillow Talk, and for the TV series …

Rock, or stone, is a hard material made up of one or more minerals. Rock makes up the outer layer of Earth, called the crust. The lower parts of this layer are solid rock, or…