Thirty weird facts about Christmas trees

A brief history of Christmas tree design

A celebration of the Christmas tree in all its festive glory. Get a glimpse into its intriguing background and the lore that accompanies it.

Christmas trees are a $6B global industry

In the US, the real tree industry is valued at $2B, the reflection of nearly 30 million trees sold annually at an average profit of about $10 per tree. While each tree takes about 8 years to mature, their artificial counterparts can be made much more quickly, mostly in China, valued at over $1B as of 2020.

Queen Victoria and Prince Albert popularized the Christmas tree in 1840s Britain

An 1848 engraving of Queen Victoria and Prince Albert around a decorated Christmas tree sparked a trend across Britain and the US. Their German-inspired custom quickly became a fashionable centerpiece of holiday celebrations.

Before electric lights, Christmas trees were lit with real candles

The practice of lighting Christmas trees with electricity didn’t begin until the late 1800s. Before that, families used wax candles on branches—a dangerous tradition that originated in 16th-century Germany.

The best day to buy a Christmas tree, with data

Using data from 200,000 tree sales in 2018, the authors found that some weekends are more expensive than others. Learn when it's optimal to buy a tree here.

See how artificial Christmas trees are made

Modern artificial Christmas trees are built from bent steel frames and PVC plastic. The plastic is cut into strips and shredded to mimic the needles of an evergreen tree. See the factory process of these mass-produced holiday mainstays.

See Rockefeller Center's Christmas trees since 1931

In 1931, with construction still underway, Rockefeller Center's very first Christmas tree was erected out front. John D. Rockefeller himself greeted the construction workers who put up the first 20-foot tree and decorated it with cranberries and paper garland.

See Christmas traditions from around the world

From Venezuelans roller-skating to church to the decoration of boats in Greece, Christmas traditions vary widely all around the world. See examples from 30 different countries, which highlight how a country’s history shapes its holiday traditions.

The title of 'World’s Largest Christmas Tree' is disputed

Cities in the US, Italy, Germany, and the Netherlands all claim they have the world’s largest Christmas tree—ranging from massive evergreens, TV and communication towers, and hillside light displays.

Christmas elves evolved from Norse mythology to Santa’s workshop

Elves originated as powerful human-sized beings in Norse mythology, closely tied to nature and fertility. In the 1800s, American writers reimagined them as tiny, toy-making assistants for Santa Claus, with later visual depictions by Norman Rockwell and Disney solidifying their role in Christmas folklore.

'Christmas Past' examines the forgotten stories behind holiday traditions

“Christmas Past” is a long-running podcast that explores the origins of Christmas traditions through short and engaging episodes, blending historical deep dives with warm-hearted narration.

Red and green became Christmas colors thanks to holly—and Coca-Cola

Holly's green leaves and bright red berries linked the colors to winter festivals for centuries, but Coca-Cola's 1931 Santa—painted by Haddon Sundblom in Coke-red robes—helped cement red and green as the modern Christmas palette.

Watch a pinecone become a pine tree

Sometimes a closer look at an ordinary process can uncover its glory This timelapse video presents the wondrous natural process of a withering pinecone turning into a full sprouted tree. A nearly two year growth, watch the seed turn to seedling and rise over time.

The unexpected origin story of the snow globe

In 1900, a Vienna tradesman named Erwin Perzy I was attempting to invent an inexpensive way to improve light amplification in hospital operating rooms. After experimenting with a glass globe filled with water, the idea for the snow globe struck. Industrious as well as inventive, Perzy eventually turned his idea into a successful business. Read the full article to learn how the invention grew to become recognized globally.

The origins of Iceland's child-eating Yule Cat legend

Iceland is a cold place, and wool production has long been a key means of surviving the climate's severity. For those Icelanders who failed to get new Christmas clothing before the holiday, their lurked a vicious, hungry cat to consume them. The centuries-old folklore is a fascinating story of social control through the tales we tell. For a dose of Christmas fear, read this wild article.

There are over 20,000 trees on the National Mall

Nearly 4,000 of the Mall's trees are cherry trees, all maintained by a small National Park Service arborist team that provides year-round, science-based care to address soil compaction, root damage, and heavy visitor traffic.

The world's weirdest flowers

We mostly marvel at the beauty of flowers, but some kinds of flowers are incredibly weird. This video highlights 15 of the world's strangest flowers, from the massive Titan Arum to the rare Lady Slipper Orchid.

The agricultural history of the pumpkin

Pumpkin pie holds a special place in Thanksgiving traditions, but its journey from everyday produce to a seasonal treat spans over 10,000 years. Trace the history of this oversized fruit with this fascinating dive. Pumpkins belong to the species...

Advent's length varies from 21 to 28 days each year

Because Advent always begins on the fourth Sunday before Christmas, its duration varies. When Christmas falls on a Monday, Advent is unusually short, and when it falls on a Sunday, it can be nearly four full weeks long.

Many iconic Christmas songs were written by Jewish composers

Jewish songwriters shaped the sound of Christmas, composing hits like “Let it Snow” and “Rudolph the Red-Nosed Reindeer.” Irving Berlin, a Jewish immigrant from Russia, wrote “White Christmas, which remains the bestselling single in music history.

A map of the world's changing tree cover

As many of the world's tree species are at risk of extinction, keep track of the growth and decline of trees on Earth with this interactive map. Witness the state of forests worldwide by analyzing tree cover change on GFW’s interactive global forest map using satellite data. Learn about deforestation rates and other land use practices, forest fires, forest communities, biodiversity, and much more.

The complexity of classifying a tree

It may seem obvious to us when we see a tree, but very specific characteristics cause scientists to distinguish trees from other types of plants. This video provides a visual and verbal explanation of distinctions that separate trees from other plants like shrubs or herbs. See a scientific breakdown of these traits.

The science of springtime, 101

Dive into the basics on springtime including the astronomy that brings it about, natural signs of spring's arrival, and some of the cultural approaches to the season.

38 thought-provoking facts about the ocean

Coral produces its own sunscreen, tsunamis move at 500 miles per hour, one of the loudest sounds ever recorded came from an ice quake, and other interesting facts collected from sources such as National Geographic and NASA.

From bartering to banking, temples to electronic transactions, here’s banking has evolved significantly since ancient times

A few historical facts about banking (like that one day, not long ago, certificates of deposit were physical pieces of paper) may not surprise you. But did you know that the church was the original lender? And that Julius Caesar himself invented foreclosure?

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

See how each of the more than two million known species relates to each other—and to common ancestors—in this zoomable tree of life.

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

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.

Explore fun facts from the USPS, including unique post office buildings, a stamp that traveled past Pluto, and more.

Scientists can determine Earth's past climate conditions by analyzing air trapped in microscopic bubbles within ice cores—columns of compressed snow layers that build up over hundreds of thousands of years.

See the 25 of the best photos of auroras from around the world.

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

A century of Billboard issues documenting the evolution of popular music.

See 33 images that became central to huge scandals, including a young Charles and Camilla, Michael Jackson's baby on a hotel balcony, and Hugh Grant's mugshot.

Crows are believed to have intelligence on par with a seven-year-old child and demonstrate complex behaviors, from problem-solving with tools to recognizing human faces.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

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

In 1963, a basement renovation in Turkey revealed a passageway to a hidden, multilevel underground city that once housed as many as 20,000 people

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the 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.

Netflix profits when you're not watching, and its movies are designed that way—read a detail-rich critical essay exposing lesser-known Netflix takes

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.

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

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

Lesser-known phobias include turophobia, or the fear of cheese, and nomophobia, the fear of being without your cell phone.

Studies suggest when you sleep is as important as how much you get, and syncing with your circadian rhythms may lead to less fatigue and improved long-term health outcomes

The syncytiotrophoblast is the outer layer of the placenta and the largest human cell, spanning an area about twice that of a king-sized bedsheet.