The canal became a highway for American reform movements

The canal carried germs as well as goods

In 1832, North America’s first cholera epidemic spread inland by way of the Erie Canal, carried by immigrants arriving on ships. Fearful towns barred passengers from disembarking, yet cholera, smallpox, and other diseases still traveled the waterway.

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.

The Erie Canal transformed New York City into America’s banking capital

By redirecting western trade through New York Harbor, the canal turned New York into the nation’s commercial hub. This surge in commerce shifted financial power from Philadelphia to Wall Street, establishing the city as America’s banking capital.

Reflections on the Erie Canal’s 200-year history

Reflections on the Erie Canal traces the waterway from its 1825 opening to its evolving role today. Each short video in this 10-part series explores a different aspect of the canal and its legacy today.

The Panama Canal boosted the US as a world power in trade, engineering, and finance

The effort proved the US could achieve grand engineering projects while granting it influence over (and benefitting economically from) a major interoceanic channel and its host country, Panama.

The National Mall once had canals and rail lines

In the 1800s, the National Mall looked nothing like it does today. Canals, rail lines, markets, and industrial uses crisscrossed the Mall before later redesigns cleared it into a unified civic landscape.

A bankrupt flour merchant in debtor’s prison helped inspire the Erie Canal

In 1807, Jesse Hawley, jailed for debt after struggling with high transport costs, published essays under the pen name “Hercules.” His writings laid out the canal’s route and benefits, galvanizing support for the project.

Abolitionists shaped American history from the Revolution to the Civil War

Abolitionists of all backgrounds organized against slavery from the founding era onward. Historian Manisha Sinha argues that their decades of activism fundamentally shaped American democracy and made emancipation possible.

Container ships are just a fraction of total traffic via the canal

While more container ships traverse the canal than any other type of ship, vessels carrying dry bulk goods, vehicle carriers, chemical tankers, passenger ships, and more also pass through the Central American passageway.

Niagara Falls was a key Underground Railroad crossing point

In the mid-1800s, the Suspension Bridge near Niagara Falls connected the US to Canada and served as a frequent crossing location for people escaping slavery via the Underground Railroad.

The Civil War turned the Continental Divide into an American symbol of identity

Historians argue that the boundary only became a celebrated American symbol in the 1860s, when Civil War-era leaders promoted a west-east geographic divide to replace the devastating north-south political divide, and that the term's use spiked after the transcontinental railroad crossed it in 1868.

Jefferson’s Lewis and Clark expedition joined the centuries-long hunt for Northwest Passage

For centuries, leaders pursued a direct seafaring trade route from Europe to Asia. Jefferson joined this quest by sending Lewis and Clark west, though they confirmed no such practical interior route existed across the continent.

Coastal vacation destinations were developed with railroad companies

The American vacation developed as the country expanded its railroad infrastructure in the late 1800s, with businessmen positioning coastal enclaves like Coney Island and Atlantic City as affordable respites from the country’s urban centers.

Mass transit in America began with horse-drawn omnibuses in New York City in 1827

The omnibus, a large horse-drawn stagecoach that ran a fixed route and carried a dozen riders at an affordable fare, was different from a private carriage because it carried everyone, not just the wealthy.

Gibbons v. Ogden expanded federal power over interstate commerce

In 1824, the Supreme Court unanimously invalidated a New York steamboat monopoly, ruling that navigation between states constitutes interstate commerce. Chief Justice John Marshall held that Congress has authority over such commerce and that conflicting state laws are void under the supremacy clause.

Engineering the Overseas Highway connecting the Florida Keys

A 113-mile series of bridges called the Overseas Highway connects Key West—the southernmost point of the United States—to mainland Florida. The route originally served as a railroad but has required regular reconstruction due to major storms. This video traces the history of the project in fascinating detail.

Truth joined a utopian project in the early 1840s

The Northampton Association of Education and Industry was a brief utopian community in Massachusetts that united abolitionists, reformers, and intellectuals. Truth lived and worked alongside William Lloyd Garrison and Frederick Douglass; this helped to launch her career as a public speaker and activist.

Many early colonists came to America to escape religious persecution in Europe

Fleeing state-sponsored religious oppression in England and Europe, many early colonists sought freedom of conscience in the New World. Many—especially in New England—established their own religiously exclusive communities: They persecuted dissenters, expelled nonconformists, and enforced orthodoxy.

Whitman's view on slavery was informed by a trip to New Orleans

In 1848, Walt Whitman traveled with his brother to New Orleans to pursue a job opportunity at the Daily Crescent newspaper. While there, he witnessed firsthand the horrors of the slave trade, an experience that would inform the political and artistic projects that followed.

The Bill of Rights toured the United States on the Freedom Train from 1947 to 1949

Alongside the Declaration of Independence and the Constitution, the Bill of Rights traveled the country for 18 months. Nearly 3.5 million people viewed the documents as they traveled to all 48 contiguous states in the US. (Alaska and Hawaii were not yet states.)

An 1893 speech in Chicago set the stage for yoga in the US

Swami Vivekananda, a Hindu monk, spoke to the World’s Parliament of Religions, addressing those in attendance as his “sisters and brothers of America.” The speech—and Vivekananda’s subsequent lecture tours—introduced many in the West to Hinduism, setting the stage for the interest in yoga that would follow in the next century.

Justice Oliver Wendell Holmes championed the idea of speech as a 'marketplace of ideas'

In his landmark dissent in Abrams v. United States, Justice Holmes argued that the best way to combat harmful ideas is through open competition—a principle that became foundational to modern First Amendment law.

Reforms reducing postage rates helped popularize Valentine's Day cards

In 1845, Congress voted to slash postage rates, paving the way for larger swaths of the American public to send and receive mail. This convenience was capitalized on by paper and stationery sellers who sought to profit from the holiday. Esther Howland's New England Valentine Company was the first major commercial producer of valentines in the US, but Hallmark followed a few decades later.

Debating the Constitution today

The Constitution continues to shape our political and social life today. If you want to understand how today’s political debates connect to the Constitution, check out this podcast from the National Constitution Center. The weekly program features experts from diverse perspectives and explores how constitutional principles shape modern issues.

Bowling was long male-dominated, but women pushed for change through the sport

The sport was often played on lawns attached to breweries and became a leisure activity for folks in taverns—mostly men, in the 1800s. But the game's highly communal nature attracted a more diverse set of participants who pushed for social change.

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

The power and influence of the American presidency have expanded significantly over time—far beyond what the founders envisioned.

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

20,000 letters to the advice columnist 'Dear Abby' provide insight into prevailing sex, religion, and LGBTQ fears, anxieties, and concerns from the 1950s onward.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.

In 1915, workers recovered a submarine-like vessel from the Chicago River, prompting fears of German espionage

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

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

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

A small portion of The Winstons' 'Amen, Brother,' an obscure '60s gospel record, is the basis for thousands of hip-hop tracks, making it one of the most sampled records ever that's informally known as 'the Amen break.'

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

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.

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

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.

Take a 3D tour of the Hajj, Islam's annual pilgrimage to Mecca, undertaken by over 1.5 million Muslims.

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.

Legendary architect Frank Lloyd Wright designed the SC Johnson headquarters in Wisconsin, aiming to make a cathedral-like workplace

Walt Disney's early film 'Alice's Wonderland' was a groundbreaking innovation in the silent film era

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

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.

A vending machine run with Anthropic's AI went out of business after it was convinced to give away items for free and sell a video game console.

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

Hookworm infection, though risky, may help fight certain autoimmune conditions by tamping down the immune system's inflammatory response.

Hurricanes, which rely on air consistently spinning in the same direction, cannot cross the equator because air curves in opposite directions north and south of it.