Dorothy's famous entrance into Oz in 'The Wizard of Oz' relied on analog tricks, including a body double and sepia-toned paint, as much as it did on technology

'The Wizard of Oz' wasn't the first film to use Technicolor

Technicolor provided warm color to films. it was first used in 1917. But the 1939 film used Technicolor in such an intentional way—by having Dorothy exit a dull, sepia-toned world before entering the Technicolor Oz—it popularized the technology, even though audiences had likely seen it used before then.

The 1939 ‘Wizard of Oz’ reimagined Baum’s book for a new age

Technological breakthroughs brought high-quality, synchronized sound to films by the end of the 1920s. By the 1930s, the movie-musical, a genre that blended artful cinematography and Broadway-style musicals, became more popular. “The Wizard of Oz” evolved the form further by structuring the plot into episodes anchored by memorable, revelatory songs.

The 1939 film changed Dorothy's slippers from silver to ruby

Baum’s original book listed the slippers as silver, but the filmmakers wanted the shoes to pop on film—and highlight their use of Technicolor—so they turned them ruby. The slippers wound up becoming one of the movie’s most iconic elements.

Over the years, Baum’s story has had several adaptations and reinterpretations

The original 1900 book, ‘The Wonderful Wizard of Oz,’ has been adapted in various forms for various audiences. There’s been a Muppet-centric Oz, a 3D-generated Dorothy, and one that imagines an adult Dorothy living as a children’s author in New York, just to name a few.

'The Wizard of Oz' was panned by some contemporary critics

A 1939 New Yorker review by Russel Maloney said the movie displayed ''no trace of imagination, good taste, or ingenuity.'' The New Republic's Otis Ferguson wrote, "It has dwarfs, music, Technicolor, freak characters, and Judy Garland. It can't be expected to have a sense of humor as well."

Shirley Temple was rumored to be a potential Dorothy

The child star—who was a huge fan of Baum’s books—mentioned in a 1988 autobiography that she’d heard she was being discussed for the role before Judy Garland was officially cast. She said that Garland was, ultimately, the right pick. “Sometimes, the gods know best,” she wrote.

A theory about Pink Floyd and 'The Wizard of Oz' was popularized by a 19-year-old

Pink Floyd’s seminal album “Dark Side of the Moon” eerily synchronizes with “The Wizard of Oz,” offering a psychedelic soundtrack for the movie. Journalist Charlie Savage popularized the phenomenon when he was 19. He’d go on to write for the Boston Globe and New York Times winning a Pulitzer Prize.

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

'Defying Gravity,' from 'Wicked,' references 'Somewhere Over the Rainbow'

The melody in a crucial part of the song uses the first seven notes of "Somewhere Over the Rainbow," an intentional reference that composer Stephen Schwartz calls an "easter egg" that acknowledges the influence of the 1939 film.

Optical illusions were a key component in animating the Muppets

Despite being fairly typical puppets, Jim Henson's Muppets often ventured out into the real world without any apparent humans controlling them. That's thanks to several ingenious optical illusions devised by Henson and his partners, including well-placed mirrors, platformed sets, and remote-controlled puppeting.

Six body doubles explain the hidden labor behind Hollywood's seamless performances

When actors faces are out of view in a film, it's likely you're seeing a body double. Six such actors describe their experiences: as a curvier set of legs in "Pretty Woman," Michael B. Jordan's double in "Sinners," Hermione when her face is out of view (to abide by child labor laws), pianist hands, and more. A rich behind-the-scenes look.

The Oscars considered the use of computer-assisted special effects in 'Tron' unfair

The 1982 film relied heavily on computer animation, so much so that the Academy Awards disqualified the film from its special effects category because they considered the computer-assisted graphics "cheating."

The first robot in literature may have been a 'mechanical man' in 1907's 'Ozma of Oz,' a book in L Frank Baum's 'Wizard of Oz' series.

Digital re-aging and de-aging of faces in film and TV has become increasingly common

Traditional techniques for accomplishing this process were slow and labor-intensive, and often required manual frame-by-frame edits, forcing them to be reserved for "hero characters" and close-up shots. Deep learning methods used by Disney and other production companies now provide fully-automatic and production-ready methods to produce such deepfakes for entertainment purposes.

Watch Dalí's surreal collaboration with Disney

Production for "Destino," a surreal short by Salvador Dalí and Walt Disney, began in 1945 but stalled when the Walt Disney Company ran into financial trouble due to the commercial failure of "Fantasia" and the economic downturn of World War II. It was finally released in 2003, after Disney animators completed it based on Dalí's original storyboards.

The art of miniature sets in Hollywood

Many films utilize meticulously designed miniature sets to produce scenes that would otherwise be too big to film. While artsy filmmaker Wes Anderson is well-known for reviving this technique in an idiosyncratic style, more mainstream films like "Star Wars" and "Inception" rely heavily on small-scale sets filmed in such a way as to make them appear normal-sized. This nine-minute video breaks down how it all works.

Two individuals are credited with making the Oscars red carpet a destination for fashion

Much like the Met Gala, fashion is now an inextricable part of the Academy Awards. But it wasn't always that way. In the 1950s and '60s, costume designer Edith Head was responsible for making sure the stars looked their best on television. In the 1990s, Fred Hayman brought luxury back to the stage after the excess of the 1970s and 1980s. (Some users may experience a paywall.)

A Disney architect designed Epic's headquarters

Epic Systems provides electronic medical records in the US—but its offices are far from bland. The HQ has five different campuses that are inspired by "Harry Potter," "The Wizard of Oz," and "Alice in Wonderland."

Richard Hamilton's iconic pop art collage inspired the set of 'Barbie' (2023)

Ken's Mojo Dojo Casa House in Greta Gerwig's "Barbie" was inspired by Hamilton's jumbled vision of a home in "Just what is it that makes today's homes so different, so appealing?" Set designers cited the work as inspiring the mishmash of Americana imagery in the man cave.

Why so many cartoons are yellow

"The Simpsons" creator Matt Groening said he found the skin tones of cartoon characters to be "freakish" and wanted his show to stand apart from everything else on television. His colorist proposed making them yellow, which color theory suggests would make the characters pop off the screen.

Dickens' live readings sometimes used visual projectors that predated cinema

Dickens was interested in adapting his work in various forms. With his live readings, he sometimes used a 'magical lantern,' a popular tool that projected moving slides. In addition, some stage plays of Dickens' work that included ghost scenes used the magical lantern to cast apparitions on stage.

Go behind the scenes at the Macy’s Parade Studio

With dozens of balloons and floats, and thousands of costumes, the Macy’s Thanksgiving Day Parade requires year-round planning to pull off. Go behind the scenes with the designers and builders who make the magic happen. See how the floats come together and what makes this annual spectacle a reality.

See Minnelli's iconic performance of 'Maybe This Time' that helped earn her an Oscar

In the film "Cabaret," Minnelli performs the show tune as Sally Bowles, a protagonist embarking on a new love affair in 1930s Berlin. Minnelli's emotive performance and belting vocals helped land her the prestigious acting award.

The cult of 'Rocky Horror' has its own rituals

The movie was initially a commercial failure, but it began amassing a loyal following through midnight showings, where audience members dressed as their favorite characters and acted out scenes from the movie in the aisles—a tradition that continues to this day.

Parton hosted two separate variety television shows called ‘Dolly’

Parton became a magnetic television performer on “The Porter Wagoner Show,” something that would pay off in dividends later in her career. Both her 1976 show “Dolly” and the 1987 series of the same name featured musical performances from Parton and various guests, along with lighthearted segments featuring contemporary stars. You can watch the fifth episode of 1987 below, with special guest Kermit the Frog.

'Migrant Mother' (1936) captured the tragic reality of the Great Depression

Taken by Dorothea Lange, the image shows a mother in tattered clothes looking distressed while her children cling to her. At the time, the family was surviving on frozen vegetables from nearby fields and birds killed by the children.

A 94-year-old stumbles upon a photo of herself from 1947 at an airport

Earlier this year, Gwendolyn Bruhn, who worked for Hawaiian Airlines in the 1940s, spotted herself in a photo blown up on an airport wall. Here's her story.

Georgia O'Keeffe's flower paintings are often assumed to be sexual, though the artist claimed she was simply interested in highlighting the beauty of flowers that most people neglect

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

The distributor behind 'Rocky Horror' pulled the film from its scheduled national release, believing it would be a failure, though it eventually amassed a dedicated fanbase through midnight showings, a trend that continues over 50 years later.

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

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

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.

According to the physics of black holes, our 4D reality may be a hologram—a projection of information coded on a 2D surface on the edge of the universe.

See the most iconic photos from four decades of LIFE magazine

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 animatronic shark from Steven Spielberg's 'Jaws,' the first modern blockbuster, was a complex underwater apparatus called 'Bruce.'

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.

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.

Quincy Jones' 'Big Band Bossa Nova' helped introduce bossa nova—a jazz-influenced Brazilian genre—to the US

Coral reefs get their colors from zooxanthellae—microorganisms that line corals' digestive tracts and provide them with sugars in exchange for a home within this protective tissue.

Salvador Dalí believed he was his own dead brother, who had died nine months before he was born

Learn how your body is, scientifically, like a firework with its own slow, controlled burn.

Brandi Chastain, the star of the 1999 US victory over China in the 1999 Women's World Cup, was a last-second choice to take the penalty kick that sealed the victory.

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.

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Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

Power lines are dotted with large, brightly colored balls to improve the visibility of these thin wires to helicopters and small planes and help prevent potential crashes.