The Sears Tower was the world’s tallest building for about 25 years

Inside one of the last Sears stores in the US

Sears was once one of the most successful businesses in the US. Today, there aren’t many Sears stores left in the nation, and the ones that are still around feel more like ghost towns than meccas of retail history.

The Washington Monument was completed in 1884 after nearly 40 years of delays and funding shortages

At the time of its completion, the Washington Monument stood as the tallest building in the world. Its construction stalled for decades due to political disagreements and the Civil War. The 555-foot obelisk cost nearly $1.2M to build (around $40M in today's dollars).

In its famous catalog, Sears sold $600 DIY house kits from 1908 through the 1940s, resulting in an estimated 100,000 'Sears and Roebuck homes.'

The Rockefeller Center Christmas tree was first erected in 1931 by construction workers

The tradition of erecting a tree in Rockefeller Center officially began two years later, when the company continued what the Depression-impacted workers had started. Today, its lighting and nearby ice skating draw millions annually, making it one of America’s most famous holiday traditions.

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

What it's like to work in an office designed by Frank Lloyd Wright

Frank Lloyd Wright's SC Johnson Global Headquarters is an administrative building in Wisconsin that radically challenged common practices for creating a corporate office space. Built in 1939, the office remains functional today with a spacious central room for exchanging ideas.

Mary Cassatt's mural from the 1893 World's Fair mysteriously disappeared

The massive mural was called "Modern Woman" and was displayed in the Woman's Building at the 1893 World's Columbian Exposition, better known as the Chicago World's Fair. When the fair closed in October of that year, the mural was put into storage, but it later went missing. It hasn't been located since. All that remains are black and white photos of it, like the one below.

Saudi Arabia eyes a 75-mile-long skyscraper

The Mirror Line will consist of two mirrored buildings, crossing mountain and desert terrain. It’s part of a development called Neom, which will be roughly the same size as Massachusetts.

The Hollywood sign originally said 'Hollywoodland'

The original sign, which was only intended to be up for 18 months and erected around 1903, advertised a new housing development in the Hollywood Hills. In 1949, the Hollywood Chamber of Commerce shortened it to "Hollywood."

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

The wall separating East and West Berlin was a highly visible symbol of the Cold War

Built in 1961, the Berlin Wall physically separated East and West Berlin for nearly three decades—preventing East Germans from fleeing to the West. Its fall in 1989 signaled the collapse of communist regimes across Eastern Europe.

Leaning Italian tower could fall after nine centuries

Italian officials have secured the area around one of two 12th Century towers in Bologna, fearing its leaning could lead to collapse. Could it fall? Read up on the city's efforts to secure it here.

The Dow Jones Industrial Average was created in 1896

Charles Dow introduced the DJIA on May 26, 1896, as a simple average of 12 industrial stocks. Although it became the nation’s most enduring market index, none of its original companies remain in the Dow today.

After the 9/11 terrorist attacks in New York City’s Financial District in 2001, many banks decided to relocate

Much has been said about why today’s top banks are typically no longer headquartered on Wall Street itself. The terrorist attacks in New York City’s Financial District on Sept. 11, 2001, are one reason many banks decided to relocate.

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.

The musical 'The Wizard of Oz' debuted in 1902

Following the success of ‘The Wonderful Wizard of Oz,’ Baum adapted the novel for the stage. It premiered at Chicago’s Grand Opera House in 1902 and made it to Broadway’s Majestic Theatre in 1903. It then toured the country through 1909. It was also a musical adaptation of the story.

Watch the Super Bowl commercial that launched Discover

A Sears subsidiary, the financial services company Dean Witter, launched Discover Card through a Super Bowl commercial during Super Bowl XX.

Washington DC's first public library, built in 1903, now operates as an Apple store

The Carnegie Library served as DC's central library until 1972, when overcrowding forced a move to the Martin Luther King Jr. Memorial Library. After sitting unused for five years, the building changed hands several times before Apple agreed to restore it and open a store there in 2016.

Nikola Tesla's original laboratory was recognized as a historical site in 2018

Beginning in 1901, the Wardenclyffe Tower was built on Long Island, New York to transmit electrical power through Earth's atmosphere. The project was abandoned before becoming operational due to limited funding, and was demolished for scrap in 1917 to help pay off Tesla's debts.

'I ought to be jealous of the tower. She is more famous than I am.'

- Gustave Eiffel (1832–1923)

Jakarta surpassed Tokyo as the world's largest city in 2025

Asia is the epicenter of global urban population, hosting most of the world's ten largest cities by population. The top three are Jakarta, Indonesia, Dhaka, Bangladesh, and Tokyo, Japan.

Explaining the 1985 Chicago Bears defense, the greatest ever

Led by coach Mike Ditka, the Bears' 1985 defensive unit led the league in total points allowed, yards allowed, and total takeaways. Throughout the season, the team maintained an average of 12.4 points per game, and during its last three playoff games, it only allowed ten points. Few teams have come close to such a defensive display.

See a ranking of the most popular websites on the World Wide Web from 1995 to 2023

America Online's homepage was the most popular website through mid-2021, when the Yahoo homepage took over and, shortly afterward, became the first website to reach 1 billion monthly visits. It would not be dethroned until early 2006 by Google, a major player in the search engine market.

From 1990 to 2020, wind turbine height and blade length have more than tripled

Wind turbines' energy generation capacity—or maximum power rating—also increased by 375% from 1998 to 2023. As of that year, wind turbines can produce more energy per dollar than solar panels, though transportation and installation challenges remain.

Only 3% of workers 18 and older had a 25+ year tenure at their current job as of 2024

Surprisingly, this statistic hasn't changed significantly between 1996 and 2024, despite news about job hopping becoming more common in recent years.

Most elements of the International Space Station were installed over two decades

Space shuttles delivered storage carriers, docking compartments, airlocks, solar arrays, and labs, which were assembled in low Earth orbit. The station’s Canadarm2 robotic arm, alongside maneuvering spacewalkers, has assisted with this assembly since its installation in 2001.

View the ten deadliest tornadoes in US history.

After Title IX, the University of Chicago advertised a women's academic-athletic scholarship

There were athletic scholarships for women before Title IX, but the University of Chicago’s Gertrude Dudley Scholarship might’ve been the first to advertise itself as such, taking out an ad in a 1973 issue of Parade magazine. The school received over 1,000 applications.

View the ten deadliest tornadoes in US history.

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

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

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.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

See the most iconic photos from four decades of LIFE magazine

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.

Fast-casual restaurant Chili's is experiencing a resurgence, with its parent company recently reporting a nearly 32% increase in sales, thanks to passionate Gen Z fans on TikTok.

Watch a 1934 short film starring jazz legend Cab Calloway, a major figure in the Harlem Renaissance's music scene

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years

See a ranking of the best (and worst) Federal Reserve Chairs since 1914 out of the 16 men and women who have held the office since.

Fireworks-related ER visits are on the rise—in 2024, they increased by 52% as compared to the prior year.

American dance legend Martha Graham, sometimes called 'the Picasso of dance,' refused to perform at the 1936 Olympics in Berlin and conceived the piece 'Chronicle' in response to the experience.

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

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

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

Electrical grids worldwide must double their power delivery capacity by 2050 to meet surging demand from AI and electric vehicles.

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

Stars appear to twinkle because turbulence in the motion of molecules in Earth's atmosphere causes light to bend and wiggle rapidly on its way to the surface—a phenomenon called scintillation.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

Comedy legend Catherine O'Hara, star of 'Schitt's Creek' and 'Home Alone,' quit 'Saturday Night Live' after just one week to return to her old job.

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight