The Kaweah Post Office (ZIP code 93271) building in Three Rivers is one of the oldest functioning post offices in the United States, dating back to 1910. 

Smithsonian Photo Contest Galleries

Celebrate the 250th Anniversary of the U.S. Postal Service With These 15 Photographs

These shots from the Smithsonian Magazine Photo Contest are truly a dream delivery

UNESCO, the cultural arm of the United Nations, is headquartered in Paris and has 194 member countries.

The U.S. Is Withdrawing From UNESCO for the Third Time in the Agency’s 80-Year History

The country previously left the agency for two brief stints—once from 1984 to 2003 and again from 2017 to 2023. The newly announced decision will take effect by the end of 2026

The horses that transport caskets at Arlington National Cemetery will remain in service.

The U.S. Army Is Getting Rid of Most of Its Ceremonial Horse Units

Senior military leaders at five forts will have one year to transfer, adopt out or donate the horses under their command

John Tyler was 63 when his 13th child was born in 1853. That child, Lyon Gardiner Tyler Sr., was 75 when Harrison Ruffin Tyler was born in 1928.

Last Surviving Grandson of President John Tyler, Who Took Office in 1841, Dies at 96

When Harrison Ruffin Tyler’s grandfather was born 235 years ago in 1790, George Washington had just become the nation’s first president

Glenn Hodak, a corporal in the U.S. Army Air Forces, has been accounted for nearly 80 years after he died in a fire at the Tokyo Military Prison in 1945.

Remains of American Soldier Captured by the Japanese During World War II Identified Nearly 80 Years Later

After his plane was shot down, Glenn H. Hodak was sent to a military prison in Tokyo, where he was killed by U.S. firebombing in May 1945

Zion National Park in Utah was the second most visited national park in the country with 4,946,592 recreation visits in 2024.

These Were the Most—and Least—Visited National Parks in 2024

America’s national park sites saw a record number of visitors last year. Great Smoky Mountains, Zion and Grand Canyon national parks are perennial favorites among travelers

On February 20, 1792, George Washington made sure the post office would remain part of the federal government, establishing the postmaster role first held by Benjamin Franklin as the head of a permanent cabinet department, the Post Office Department.

On This Day in History

Neither Snow Nor Rain Nor Heat Nor Gloom Stopped the United States Post Office Department From Launching on This Day in 1792

The American Revolution cemented the importance of a federally protected post office in the minds of the people and politicians

The tire tracks, which cover more than two miles, were discovered in late December.

Driver Vandalizes Threatened Plants in Death Valley National Park

National Park Service officials haven’t identified the person or people who illegally drove more than two miles across Eureka Dunes, home to the federally protected Eureka dunegrass

President Donald Trump holds up an executive order. He signed dozens of executive orders on his first day in office, undoing many of his predecessor’s policies.

President Trump Orders the U.S. to Exit the World Health Organization and Paris Climate Agreement on His First Day in Office

The actions will take effect in a year, reinstating withdrawals he had set in motion during his first term

The dye, chemically known as erythrosine, has been used since 1907 to give candies, drinks and other foods their vibrant red color.

FDA Bans Red Dye No. 3 From Food, Beverages and Ingested Drugs, Citing Link to Cancer in Lab Rats

The synthetic additive found in thousands of food products will now be phased out by 2027, but advocates say the agency’s move is long overdue

The new Chuckwalla National Monument protects more than 624,000 acres in southern California.

Biden Establishes Two New National Monuments in California

The Chuckwalla National Monument and the Sáttítla Highlands National Monument will protect more than 848,000 acres of public lands

The U.S. surgeon general wants updated warning labels on alcoholic beverages that highlight the increased risk of cancer tied to drinking alcohol.

Alcohol Consumption Raises the Risk of Seven Cancers, Says U.S. Surgeon General in a New Health Advisory

The “Nation’s Doctor” has called for a cancer warning label on alcoholic beverages and suggests the recommended limits for alcohol consumption should be reassessed

The bald eagle is finally being recognized as America's national bird.

The Bald Eagle Just Became America’s National Bird. What Took So Long?

An eagle enthusiast has been lobbying for the designation for years. On Christmas Eve, President Biden signed legislation making it official

In Bastogne, Belgium, dignitaries and American veterans who fought in the Battle of the Bulge gathered to commemorate the conflict's 80th anniversary.

Veterans Commemorate the 80th Anniversary of the Battle of the Bulge, Hitler’s Last Major Attack on the Western Front

Veterans and dignitaries gathered in Belgium and Luxembourg this month to reflect on the deadly World War II conflict that paved the way for a full Nazi defeat

Frances Perkins served as Secretary of Labor from 1933 to 1945.

Who Was Frances Perkins? Meet the Trailblazing Workers’ Rights Advocate Whose Homestead Just Became a National Monument

Perkins was America’s first female cabinet secretary and the longest-serving Secretary of Labor

Merriam-Webster has been printing English dictionaries since 1831.

‘Polarization’ Is Merriam-Webster’s Word of the Year for 2024

The winning word beat out finalists such as “demure,” “pander,” “totality,” “fortnight,” “allision” and “democracy”

The laptop that belonged to Chris Janczewski, former IRS-CI agent

A Federal Agent’s Laptop Held the Keys to Seize $3.6 Billion in Stolen Bitcoin. Here’s How It Ended Up at the Smithsonian

Soon to be on display at the National Museum of American History, the laptop is the centerpiece of a criminal case that shows an evolving understanding of cryptocurrency

Each room on the tour now has a "reader rail" that provides historical information and context.

Jill Biden Unveils a Reimagined White House Tour, Which Invites Visitors to ‘Touch, Hear and See’ History

The public tours of the historic residence hadn’t been overhauled in decades. For two years, the first lady’s office has been working to make them more interactive and educational

Artist Ron Louque designed the 2002 federal duck stamp with this portrait of two snow geese soaring through the air.

Art Meets Science

The ‘Super Bowl of Wildlife Art’ Is All About Ducks, and It Has Protected America’s Wetlands for 90 Years

Introduced in 1934, the federal duck stamp contest has raised more than $1.2 billion and protected at least 6.5 million acres across the nation. Now, an art exhibition at Connecticut’s Bruce Museum honors the competition’s history

President Joe Biden formally apologized on October 25 for the government's role in sending thousands of Native American children to federal boarding schools.

Biden Issues a ‘Long Overdue’ Formal Apology for Native American Boarding Schools

The president atoned for the federal government’s role in forcing Native American children into boarding schools, where many were abused and more than 900 died

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