The expedition purchased more than 260 separate items to supply their journey

The Corps brought along an estimated 120 gallons of whiskey

To help them through the arduous trek, the Corps of Discovery brought the whiskey alongside wine, brandy, and rum for morale, trade, and medicinal use. Early on in the expedition, the adventurers reported frequent drunkenness.

Lewis brought his loyal Newfoundland dog on the expedition

Meriwether Lewis was accompanied by his dog, Seaman, a Newfoundland who traveled the entire journey—helping hunt, guarding camp, and even rescuing supplies from a river.

Jefferson omitted a plan to go beyond the Louisiana Territory in his funding request

In January of 1803, the president sought $2,500 to fund the expedition (though it likely cost closer to $50,000). The ostensible rationale for the journey was to explore the newly purchased territory, but Jefferson did not mention he wanted Lewis and Clark to go beyond the newly acquired territory for several reasons.

The Lewis and Clark expedition lasted over two years

The Corps of Discovery departed St. Louis in May 1804 and returned in September 1806, covering more than 8,000 miles by boat, horseback, and on foot. See a timeline of the journey’s key events.

The expedition documented 240 plant species, 178 new to western science

Lewis and Clark’s botanical records introduced species to Americans like bitterroot, ponderosa pine, and Oregon grape—plants unknown to western science at the time. See a selection of these species in this image gallery.

A $50 bet led to the first coast-to-coast road trip

In 1903, Dr. Horatio Jackson took a $50 wager that he could drive from San Francisco to New York. Soon after, Jackson and his mechanic set out on the cross-country voyage without a map. They arrived in New York 63 days later. The trip cost them $260K in today’s money.

Colonial Americans used tobacco, wampum, and land-backed notes to solve a chronic coin shortage

British coins rarely circulated in the colonies due to an unfavorable trade balance, forcing colonists to improvise. They traded in Spanish dollars, Native American shells, tobacco warehouse receipts, and eventually paper money backed by land rather than gold.

Psychoactive drugs found in 1,000-year-old bag made of fox noses

Archaeologists in Bolivia have uncovered an ancient bag filled with "amazing goodies" that suggests the owner or owners were well-versed in the properties of psychoactive substances and sourced goods from well-established trade routes. This article details the findings, which shed light on how ancient peoples in the region consumed and obtained psychoactive substances.

George Washington spent thousands of dollars on ice cream in a single summer

Records show that America's first president purchased a "cream machine for ice" as early as 1784. An accounting record from 1790 reveals that Washington spent $200—roughly equivalent to $6,300 today—on ice cream.

MLB teams can travel with roughly 12,000 pounds of gear and luggage

Each of the league's 30 teams has travel directors facilitating intricate logistics to move players and luggage to the next city, often after a game and the night before another game day. This video breaks down the wild planning required.

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

How a deadly antarctic expedition turned poisonous

A deadly 1912 scientific expedition to the Antarctic took a turn for the worse when the expedition team's leader turned to man's best friend to fuel their journey. This 21-minute podcast episode provides a glimpse into the real-life dangers of...

Sacagawea endured personal hardships during the expedition

Despite her critical role as interpreter and guide, Sacagawea faced immense challenges on the journey—including caring for her infant and dealing with her abusive husband, Toussaint Charbonneau.

Look through this WWI stretcher bearer's bag

While it was indeed the first industrialized war, medical science had yet to catch up on the battlefield. This nearly eight-minute video sorts through the contents of a World War I stretcher-bearer's satchel. A modern doctor and ex-officer assesses the bag's various medical tools for performing first aid on the battlefield.

The average grocery trip in 2025 totaled $150.84, up 3.6% from the previous year

That's according to data from Consumer Affairs. Some prices, like for specific sodas and breakfast cereals, increased by more than 20% over the same time period.

Estimate the costs of an ancient Roman vacation

Thanks to a sophisticated system of roads, Romans could travel great distances for their Roman holidays. This interactive resource from Stanford allows you to create fictional journeys around the empire, seeing approximate routes, costs, and time.

Burning Man typically costs thousands of dollars to attend

It is no secret that Burning Man is a costly endeavor, with disposable income needed to buy tickets, take time off work, create shelter, hold living supplies, and provide entertainment and gifts while living in the desert.

The Elizabethan pirate hired to find the Northwest Passage

This resource by the Canadian Museum of Natural History explores the life and adventures of Martin Frobisher, an Elizabethan pirate hired to find the then-fabled Northwest Passage, a path across the Arctic Sea that would've allowed for quicker trade between Asia and Eastern Europe. He ventured into arctic waters at least three times, returning to England each time with either fool's gold, captive natives, or fool's gold and captive natives.

The first portable laptop had a 5-inch screen and weighed 24.5 pounds

Introduced in 1981 for $1795, the Osborne 1 had no battery but came bundled with almost $1,500 worth of software. Early announcement of a future model stalled sales and bankrupted the company as users waited for the more advanced version, a phenomenon now called the Osborne effect.

Tiffany & Co. released a $200K Advent calendar in 2021

Tiffany & Co. has released ultra-luxury Advent calendars containing more than $100K worth of jewelry, including gold bracelets, diamond earrings, and platinum pendants. The 2021 edition cost $200K and featured daily drawers of high-end pieces.

Unpacking Thoreau's diet, which once included a woodchuck

The writer's diet was notoriously simple, preferring an inexpensive combination of rice and vegetables to meat, though he usually ate it when offered. In "Walden," he mentions eating a woodchuck after it got into his beans, which one Thoreau biographer said was likely true.

Organ transplants can come with a price tag of more than $2M without insurance

According to 2025 report data that was graphically represented by Statista, average costs for organ transplants can be as steep as $2.3M for a double lung transplant and $1.9M for a heart. These figures are based on what was actually charged to insurance companies—not what individual patients paid. Following the actual transplant there are also additional costs associated with the procedure, including lifelong immunosuppressant drugs.

Lyme disease may cost about $1B annually in the US

The economic burden of the disease in this estimate includes direct medical costs and societal costs, including productivity losses. It does not include suspected, undiagnosed, or nonacute cases, which would push that figure upward.

The Erie Canal reduced freight costs by 90%

Before the canal, shipping goods overland cost about $100 per ton. After its completion in 1825, rates fell to just $10—making western farm products competitive in eastern markets for the first time.

One in five 16th century Spanish ships sank while crossing the Atlantic

Despite the incredibly high rate of catastrophic wrecks, during the Age of Exploration Spanish investors continued to fund voyages. Here, economists break down the incentives that led to increased risk, including short travel seasons and the propensity to overload ships.

2 months after Pearl Harbor, American libraries launched a drive to collect 10 million books for soldiers

The 1942 Victory Book Campaign—sponsored by the American Library Association, the Red Cross, and the USO—asked the public to donate books to both train and entertain troops. The national campaign exceeded its goal, collecting more than 10.2 million books.

Sears sold DIY house kits starting at $600 in its famous catalog from 1908 through the 1940s, resulting in roughly 10,000 'Sears and Roebuck houses' being built.

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.

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.

In 2019, a laptop loaded with six of the worst malware in history and described as 'an exhibit of historical weaponry' sold for $1.3M.

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

Use this calculator to find the dollar value of your mental load, from meal planning to coordinating after-school care for your children.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

Before the current East Wing ballroom project, only two White House renovations in the past 100 years cost more than $10M.

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

Before writing 'Walden,' transcendentalist Henry David Thoreau nearly burned down his hometown with a campfire that grew out of control.

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

Trace how the Bill of Rights, inspired by centuries of political theory, took shape between 1774 and 1789.

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.

US consumers collectively owe more than $1T to credit card companies—almost as much as they owe in auto loans.

Watch the cumbersome, but necessary, precautions healthcare workers must take to care for and protect themselves while caring for Ebola patients.

Scientists testing how climate change affects plants found, in a years-long simulation study, that poison ivy grew 70% faster with the resulting extra carbon dioxide.

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

Search a massive database of over 4 decades of clues from the TV quiz show 'Jeopardy!'

In 2018, 26-year-old missionary John Allen Chau was killed by tribesmen after attempting to reach and evangelize on India's isolated North Sentinel Island

Double world record holder Hunter Ewen helped conquer his fear of balloons, called globophobia, by training to win Guinness World Record titles for balloon inflation.

US intelligence allegedly pursued more than 600 schemes to assassinate Cuban revolutionary Fidel Castro.

Explore the animals that populate the depths of the ocean, from fish and coral in the first few hundred feet, all the way down to the bottom of the Mariana Trench.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

Explore a list of the 100 best novels of all time, compiled by some of the world's best living writers, including Salman Rushdie, Stephen King, and Jennifer Egan.