Explore California's diverse landscapes from Mount Whitney in the Sierra Nevada to Death Valley

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Learn how the United States elects the offices of the House of Representatives, the Senate, the president, and the vice president in the 21st century and how this system compares to that of other countries, such as the United Kingdom.

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Learn about a controversial 2017 study that used thorium/uranium dating of broken mastodon bones to argue that a prehistoric human species, such as Neanderthals, lived in North America some 130,000 years ago.

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National Hispanic Heritage Month is a monthlong celebration in the United States honoring the history, contributions, and achievements of Hispanic Americans.

Encyclopaedia Britannica, Inc.

The riots outside New York's Stonewall Inn sparked a new era of LGBTQ activism.