Meet Pauline, the White House cow who made national news when she briefly went missing on her way to a dairy show.

Sheep once grazed on the National Mall and White House grounds

In the late 1910s, sheep grazed near the Lincoln Memorial and on the White House lawn. Under Woodrow Wilson, their wool was auctioned for charity, briefly making the grazing animals the subject of a federal cost-saving experiment.

See a ranking of the most memorable presidential pets in history

This list highlights famous White House animals—from Abraham Lincoln's goats, Nanny and Nanko, to Joe Biden's German shepherds, Champ and Major—showing how pets have long been part of presidential life. (Some readers may experience a paywall.)

Calvin Coolidge had many animals—including a White House raccoon

Calvin Coolidge and First Lady Grace Coolidge adopted a raccoon named Rebecca, initially intended for Thanksgiving dinner. Instead, she became a beloved pet, roaming the White House lawn with a handmade collar reading "White House Raccoon."

Andrew Jackson kept a 1,400-pound block of cheese in the White House and then let members of the public eat during his final party while in office.

A dive into some of the country's stranger Thanksgivings

How did a raccoon intended for the Thanksgiving dinner table end up a beloved presidential pet? History teacher Sharon McMahon's podcast "Here's Where It Gets Interesting" takes an episode to delve into some of the more unusual Thanksgivings at the White House, including the Great Cranberry Scare of 1959 and the story of Calvin Coolidge and his "first raccoon," Rebecca.

See what it's like to work at the White House

Anita McBride discusses her experience working at the White House across three presidential administrations. She began in 1984 as a correspondence analyst, reading mail, and later served as chief of staff to first lady Laura Bush from 2005 to 2009.

Dolley Madison rescued George Washington's portrait before the White House burned

As British troops approached in August 1814, first lady Dolley Madison ordered Gilbert Stuart's full-length portrait of George Washington removed from the White House, which remains displayed in the building today. She also secured key state papers and valuables before fleeing.

The forgotten campaign to replace the Teddy Bear with 'Billy Possum'

After a 1909 pre-inauguration dinner for incoming President William Howard Taft featured possums and potatoes as the main course, Susie W. Allgood wanted to produce and market an alternative to the Teddy Roosevelt-inspired teddy bear: Billy Possum. Kids thought it looked too much like a rat.

The Adams family brought the first pets to the White House

When John Adams became the first president to live in the White House, Abigail brought along the family's dogs—making them the first presidential pets to reside there. Abigail was known for her love of dogs.

Jacqueline Kennedy transformed the White House into a museum of American history

Between 1961 and 1963, first lady Jacqueline Kennedy oversaw a dramatic restoration of the White House, furnishing rooms with authentic antiques, founding the White House Historical Association, and securing congressional protection for the White House's historic interiors.

The ubiquitous 1990s “Got Milk?” ad campaign was intended to fix milk’s dwindling popularity in the late 20th century

Despite its success in spreading the word about milk, the sales numbers weren’t quite as impressive. This Mental Floss article details the marketing efforts themselves, as well as how milk lobbyists didn’t necessarily succeed despite their revolutionary ads.

Before the White House was constructed, the president lived and worked in Philadelphia

From 1790 to 1800, the President's House at 6th and Market Street in Philadelphia served as the executive mansion. George Washington and John Adams both served there as president before the capital moved to Washington, DC. The site is a tour of a replica of the house.

A history of the White House fence

Since it was occupied in 1800 by Thomas Jefferson, the White House has had a fence. From the original wooden post-and-rail fence to today's 13-foot high steel barrier, check out this brief timeline of the White House fence from the the building's...

George Washington loved to serve ice cream while hosting guests, and spent thousands of dollars on ice cream in a single summer.

The 1990s “Got Milk?” ad campaign was intended to fix milk’s dwindling popularity

Despite its success in spreading the word about milk, the sales numbers weren’t quite as impressive. This Mental Floss article details the marketing efforts themselves, as well as how milk lobbyists didn’t necessarily succeed despite their revolutionary ads.

Edith Roosevelt's White House redesign created the modern West Wing

In 1902, first lady Edith Roosevelt oversaw a significant renovation that separated the family residence from official offices. Architect Charles McKim added the West Wing to house the president's staff—establishing the modern layout still used today.

Jacqueline Kennedy's 1962 White House tour drew 80 million viewers worldwide

Broadcast simultaneously on CBS and NBC, and a few days later on ABC, the first lady's televised tour introduced the restored White House to an audience of between 50 million and 80 million. The program elevated public appreciation of American history and the significance of the White House.

The US government reportedly hoards 1.4 billion pounds of cheese in caves

In limestone mines said to be hundreds of feet below the ground, officials have allegedly stored surplus cheese to keep the industry afloat amid ebbs and flows in demand.

Washington systematically introduced and popularized mule breeding in the United States

Known as "the father of the American Mule," Washington imported a prized Spanish donkey and bred it with a female horse at Mount Vernon. He promoted mules as stronger, more efficient farm animals, helping spread their use across the South and transforming American agriculture.

Why cows are loving their new robot caretakers

Autonomous robots are transforming dairy farming by letting cows choose when to be milked or cleaned. Dairy robot manufacturer Lely says this ability to decide reduces a cow's stress and increases milk production. The robot systems are costly, but are marketed as increasing efficiency for dairy farmers. And the cows appear to love them.

The body of Dolly the sheep, the world's first cloned mammal, is preserved and kept on display at the National Museum of Scotland.

See the White House bowling alley in use

First installed in 1947 for President Harry Truman, the White House bowling alley was later moved to the basement of the Executive Office Building. President Nixon, an avid bowler, added a new one-lane alley beneath the White House in 1973.

Listen to how the 1902 'poison squad' experiments changed food safety in America

As part of government research, a group of young men were paid to eat standard American food—replete with food additives like borax and formaldehyde—which revealed the dangers of unregulated food. The work was led by the first FDA commissioner, Harvey Wiley, who helped end the "century of the great stomachache."

The White House was officially called the Executive Mansion until 1901

Throughout the 19th century, the building we now call the White House was formally known as the "Executive Mansion"—and earlier as the "President's House" or "President's Palace". In October 1901, President Theodore Roosevelt formalized the name "The White House" for all government use.

Get the inside story of the duck hunt that birthed the Federal Reserve

Pseudo-duck hunters, private train cars in Hoboken, and a thrilling work week over Thanksgiving 1910—all and more are featured in the wild story of how a group of fed-up bankers and lawmakers tried to create an enduring central bank for the US. Records of the meeting managed to remain hidden for decades.

Adams was so involved as first lady that some nicknamed her 'Mrs. President'

As first lady, Adams took an active role in her husband's presidency—advising on appointments, critiquing his speeches, and corresponding extensively with politicians. She supported the controversial Alien and Sedition Acts and pressed for war with France during the XYZ Affair.

Many historians believe Eleanor Roosevelt had a romantic relationship with Lorena Hickok, a female journalist

Roosevelt and AP reporter Lorena Hickok exchanged over 3,000 deeply affectionate letters, many written twice daily. Hickok lived in a room near Eleanor's in the White House for several years. Biographers who have examined their correspondence conclude it was a true-love relationship.

Eleanor Roosevelt sheltered student activists at the White House after they were subpoenaed by HUAC

In 1939, when Congress subpoenaed leaders of the American Youth Congress on suspicion of communist ties, Eleanor Roosevelt attended the hearings herself and then invited all 10 students to stay at the White House, as they had nowhere to sleep.

A New York farmer established the first cheese factory and revolutionized the industry by sourcing milk from local farms.

Farm animals help maintain the grounds at Chicago's O'Hare International Airport

Since 2013, a herd of goats, sheep, and a donkey have grazed on the scrub vegetation at the airport. In the process, they also help keep out animals that can be dangerous for pilots, like coyotes.

Truth met President Lincoln at the White House in 1864

In October 1864, Truth traveled to Washington and met President Lincoln a week before his reelection, though she could secure the appointment only through a white abolitionist friend. Lincoln signed her autograph book, and Truth later said she had never been treated with more "kindness and cordiality" by anyone.

James Garfield's 79-day decline hooked America on news updates

After he was shot while departing Washington, DC, in 1881, the president was treated for his wounds and cared for at the White House. Since 1861, telegraphs had spanned the continent, and the Associated Press pooled sources to share telegraph news. The public, seeking updates on the president's condition, was able to receive them regularly for the first time due to this network, laying the foundation for the continuous news cycle.

Why Pabst Blue Ribbon switched from brewing beer to making cheese during Prohibition

The brewer marketed its product, Pabst-ett, as "whole milk cheese food," available in both block and spreadable forms, as well as various flavors.

The favorite restaurants of former US presidents

Curious about the eating habits of past commanders-in-chief? From George Washington to Barack Obama, discover the food preferences of former US presidents. Find out who liked to go out vs. stay in, where they frequented, what they ordered, and how they spent their time in each establishment.

See how the White House is 'flipped' in a matter of hours on Inauguration Day

On Inauguration Day, the outgoing family departs after a morning farewell, and residence staff rapidly pack and move their belongings out while preparing rooms for the incoming first family—transforming the White House within hours before they arrive that afternoon.

As first lady, Roosevelt held 348 press conferences open only to female reporters

Starting just two days after FDR's inauguration in 1933, Eleanor Roosevelt began holding White House press conferences that admitted only female journalists. She continued to hold these events throughout her 12 years as first lady.

James Hemings, Jefferson's cook, popularized mac and cheese in the US

The statesman sent Hemings to France to sharpen his culinary skills where he picked up recipes of baked pasta with cheese and butter. The recipe Hemings likely dictated to Jefferson was later used in an 1802 White House dinner, the first major public dinner in the US to include the dish.

Lady Wonder, the horse with supposed clairvoyant powers

Lady Wonder became widely known as a horse that shared her special powers by spelling out words by using blocks with letters. She reportedly helped solve the case of a missing young boy while also offering advice and sports predictions.