The Gold Rush helped turn Napa into wine country

A look inside one of Napa Valley's oldest wineries

Prussian migrant Charles Krug established a winery in Napa Valley in 1861, pioneering the growth of European rootstocks and helping legitimize the region's wine-making ambitions. Today, the estate is owned and operated by the Mondavi family, who purchased it in 1943 and helped elevate it to international renown. A dramatic, brief look at the winery illuminates its legendary past and larger-than-life present.

Napa Valley, explained

Some of the most valuable agricultural land in the US is in California's Napa Valley. Located about an hour's drive north of San Francisco, Napa has more than 400 wineries employing upward of 44,000 people and drawing in nearly 4 million annual visitors. The price per acre in the valley can exceed $500K because some of the best wines in the world are grown and produced in the roughly 30-mile-long area.

The Judgment of Paris put Napa on the world stage

Napa wines burst onto the world stage in 1976 when a British wine merchant invited nine French wine experts for a blind tasting of French and Californian wines, meaning that the tasters would not know the origin of the wines as they sampled. Unexpectedly, Napa’s wines dominated the tasting. That tasting, called the Judgment of Paris, was the catalyst for California being taken seriously by the global wine community.

A root lice infestation once destroyed over 80% of Napa's vines

In the late 1860s, an infestation of root lice nearly destroyed the global wine industry. European rootstock, now planted across multiple continents, had no natural defenses against the pests, which infected the vines (as seen below). As a result, more than 80% of Napa’s vines were destroyed by 1900. It took decades for the industry to recover.

Experts say 2023 was a welcome year for Napa's wine

Many vintners say Napa’s 2023 vintage was a landmark year due to plentiful rain and a lack of extreme weather events, particularly extreme heat, which can stunt grapevine photosynthesis. The graph below illustrates the town of Calistoga's relatively cooler temperatures in 2023.

Napa was the second officially sanctioned wine-growing region in the US

In 1979, the ATF created the American Viticultural Area system. Modeled on similar European systems, it delineated wine-growing regions in the United States. Napa Valley was the second AVA established—the first was in Missouri. Now, any wine labeled with the Napa Valley AVA must source 100% of its grapes from that area.

Wildfires have seriously affected Napa's winemaking

If there’s a single thing that has defined the last decade of California winemaking, it’s the effects of climate change, particularly wildfires. To avoid the threats of wildfires, some vineyards have pivoted to more heat-tolerant grapes.

Napa Valley was originally inhabited by the Indigenous Wappo people

Before the wineries, Napa was home to several Indigenous tribes, collectively called the Onasatis or Wappo, who lived and hunted on the land for generations before Spanish missionaries and settlers arrived. Some of their practices, like controlled burns of the dry brush, helped shape the fertility of the land for future agriculture.

Mexican Americans have become a part of Napa's tradition

While the Napa wine world was largely homogenous for many decades, things are beginning to change. This short video highlights Mexican American winemakers in Napa, focusing on the story of Elias Fernandez of Shafer Vineyards. Fernandez began his wine journey as a migrant grape-picker and has been making wine for over 40 years. In 2008, his vintage won Wine Spectator’s Wine of the Year.

There are more than three dozen grape varieties in Napa

Cabernet sauvignon is Napa’s most popular grape, accounting for 40% of production, followed by chardonnay.

Napa's growing conditions are unique

The French term "terroir" refers to the "sense of place" that growing conditions impart on a wine. Because the Napa Valley is surrounded by mountains on three sides, the combination of cold air from the Pacific coast and warm air from inland leaves Napa's wine with a distinct terroir.

How to compare wines from Napa and Sonoma valleys

Food & Wine magazine’s guide to the Napa Valley (and its next-door neighbor, Sonoma Valley) walks through the environmental and geological conditions that differentiate these two first-class wine regions from the rest of the world and from each other. It also includes in-depth explanations of what to look for in their wines, including common grapes, stylistic choices, and tasting notes.

There's a legal loophole behind California Champagne

In the late 19th century, sparkling wine production took root in California before France began the fight to own the term “Champagne.” Many American winemakers already used it for easy recognition. The battle continued for over a century before reaching an agreement in 2005, stipulating that American sparkling wine couldn’t be labeled as Champagne unless the producer was already calling it such.

A history of Rome and wine

Wine and winemaking were integral parts of everyday Roman life. Wine was used medicinally and for religious rites, as well as for pleasure. It also contributed to the expansion of the Roman empire as wine and grapes were traded throughout the Mediterranean. Roman winemaking practices spread as the empire grew. Without Rome, wine may never have grown into what it became, and vice versa.

Champagne played a role in resisting the Nazis

When France surrendered to the Nazis in 1940, the invaders occupied the north. This was home to wine regions like Champagne and Bordeaux, which the Nazis were eager to loot. Winemakers took a stand by sheltering dissidents in their cellars, passing intelligence across borders, and even giving their lives to the cause.

How fermentation works

Alcoholic fermentation is the process where yeast transforms grape sugars into ethanol, creating wine. Microscopic fungi (commonly known as yeast) metabolize sugars, producing alcohol and carbon dioxide. Fermentation's speed and temperature impact wine's flavor and style: cooler temps suit fruity whites, while warmer ones enhance red's tannins. Fermentation stops when sugars are depleted or by temperature extremes, and sometimes yeast removal yields sweeter wines. Get a quick breakdown of the process with this easy explainer.

Nevada legalized gambling in 1931

Las Vegas was originally a quiet town, but the legalization of gambling (along with relatively lax divorce laws) turned it into a Prohibition-era destination.

Goldenvoice, Coachella's promoter, began with punk and gangster rap

This documentary produced by Coachella tells the story of Goldenvoice—a scrappy upstart booking punk, hardcore, and gangster rap shows in Southern California—and how it created one of the biggest festivals in the world. Beyond the narrative, though, this is worth watching for incredible performances from the White Stripes, Kendrick Lamar, Amy Winehouse, and more.

The story of the ‘forgotten’ US Mints

Some US Mint branches that are now inactive were established during gold rushes during times of great demand. These include mints in Dahlonega, Georgia, Charlotte, North Carolina, and Carson City, Nevada. This video dives into their respective stories.

Silicon Valley’s history in technology can be traced back to the late 1800s

From its developments in radio, defense technology, and personal computing, Silicon Valley has been associated with innovating tech for more than a century. This animated timeline of Silicon Valley’s history helps visualize its evolution.

How Nashville became Music City

Nashville didn’t just earn the nickname “Music City”—it grew into it. From early settlers and the Fisk Jubilee Singers to the Grand Ole Opry and Jefferson Street’s R&B scene, this breakdown looks at how a city on the Cumberland River became a global center for music across every genre.

Gustav Klimt featured a lot of gold leaf in his art

Austrian artist Gustav Klimt's most iconic image, "The Kiss," can be seen today printed on tapestries, t-shirts, mugs, and more. The painting comes from a decade in his career where gold held a prominent place. Klimt's family business of goldsmithing, in tandem with inspiration from Byzantine churches, coalesced in his obsession with gold.

The Erie Canal fueled a surge in westward settlement

By providing cheap, reliable transport to the interior, the canal made western lands more accessible. Farmers, traders, and immigrants moved into the Great Lakes region, accelerating population growth.

Carol Steinbeck, John Steinbeck's first wife, played an integral role in producing 'The Grapes of Wrath.'

How the Golden Gate Bridge was constructed

San Francisco's Golden Gate Bridge is one of America's most iconic structures and is considered to be an engineering marvel. Built in 1930's, before the advent of modern construction technology, the structure was considered impossible by contemporary standards.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

The use of fungi to detoxify land and water—a process known as mycoremediation—has been used to clean up natural resources affected by the 2025 California wildfires.

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

Volcanic activity may have triggered the Black Death by spewing gases that led to crop failures in Europe, thus forcing the import of grain ships with plague-infested fleas.

The 19th-century painters of the Hudson River School were among the first American romantics, with portraits that displayed the natural beauty of the young country.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

A researcher recently discovered an interview from 1967 between groundbreaking journalist Joan Didion and the Grateful Dead, years before the band became an institution.

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

Poison ivy's characteristic rash is caused by an allergic response to an oily compound in the plant called urushiol.

When a Paris department store hesitated to sell Estée Lauder's perfume, she 'accidentally' broke a bottle, causing the smell to spread throughout the store and shoppers to start asking to buy the scent.

Visualize how CRISPR-Cas9—a type of immune system used by single-celled organisms to attack invasive viruses—targets and makes precise changes to a gene's DNA.

Learn more about the history of fireworks, which dates back to an accidental invention during an alchemist's quest for information about immortality.

The Nasdaq's 'Magnificent 7' companies are responsible for roughly 40% of the Nasdaq 100 index's gains, while the remaining 93 companies account for the other 60%.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

The Great Salt Lake's distinct dual coloration results from high-salinity organisms that only live in the northern portion and produce a purple protein.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

Hotels in Cannes, the glamorous city on the French Riviera, hire hawks to ward off seagulls during the city's famous film festival.

The Brothers Grimm were lawyers before they were storytellers, and became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

El Niño, Spanish for 'the boy,' was named after Jesus Christ because the phenomenon resembled the weather changes observed around Christmastime.

NBA superstar Victor Wembanyama spent the 2025 summer training with monks in central China to enhance his body and mind.

Apollo astronauts left items in the moon's 'toss zone,' including golf balls, family photos, and bags of human waste, to make room for lunar rocks.

See photos of Meteora, a mountainous site in central Greece, home to 14th-century monasteries perched atop soaring outcroppings.

Prince's sexually explicit 1984 track 'Darling Nikki' attracted the ire of the Parents Music Resource Center, an advocacy group that inspired the Parental Advisory sticker, even though the song ends with a Christian message.