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Leap day
Leap day
Are you a "leapling"? No, not like this Eurasian red squirrel; rather, that"s the term for anyone born on leap day. A leap year is a calendar oddity that exists because Earth"s orbit and our usual year count are slightly out of sync. Earth takes 365.25 days to revolve around the sun. To compensate for those extra 5 hours, February gets an extra day—leap day—every four years. The concept, dating back to the ancient Romans, was refined in the Gregorian calendar, introduced in 1582 by Pope Gregory XIII. While the purpose of the day is to keep our year aligned with the solar calendar, it can also serve as an extra day to prepare for spring! Cultures worldwide mark leap days and years with unique customs. In Ireland and Britain, women propose to men, in Greece, marrying during a leap year is said to bring misfortune, and in France, a satirical newspaper is published.Desktop Version
Hawai i Volcanoes National Park at 106
Hawai i Volcanoes National Park at 106
The orange glow of a lava tube like the one pictured here is a frequent sight on Kīlauea, the youngest volcano on the island of Hawaii. In near constant eruption for the last 40 years, Kīlauea is widely considered the most active volcano in the world and is the main attraction at Hawai"i Volcanoes National Park, which was created on this day in 1916. The park, which was designated an International Biosphere Reserve and a World Heritage Site, also includes another active volcano, Mauna Loa, the world"s most massive shield volcano, which last erupted in 1984. Together, they are among the most studied volcanoes in the world.Desktop Version
International Womens Day
International Womens Day
On International Women"s Day, we"re at Madrid"s iconic Cibeles Fountain and City Hall, which have been lit up in purple—one of the day"s official colors, representing justice and dignity. Each year, marchers pass by the Great Mother of the Gods on her chariot drawn by lions, as they turn out in their thousands to campaign for gender equality in Spain"s capital city.Desktop Version
Pumpkin field, Victoria, British Columbia, Canada
Pumpkin field, Victoria, British Columbia, Canada
As fall covers the landscape with amber hues and the chill of Halloween approaches, it"s time to start carving some spooky jack-o"-lanterns. Originally from Ireland and Scotland, this craft was brought to America by immigrants who initially made lanterns from turnips and potatoes but later found pumpkins more plentiful and easier to carve. Once hollowed out and lit with candles, the gourds were transformed into flickering defenses against evil spirits.Desktop Version
Negratín Reservoir, Granada, Spain
Negratín Reservoir, Granada, Spain
Step into serenity at one of the largest freshwater lakes in the southern Spanish province of Granada, in Andalusia. The Negratín Reservoir, created by a dam on the Guadiana Menor River, sits the heart of the Granada Geopark, a unique, semi-desert landscape surrounded by the mountains of the Sierra Nevada.Desktop Version
World Rainforest Day
World Rainforest Day
Perhaps no other place on Earth plays a more crucial role in sustaining life as we know it than the Amazon rainforest, the largest in the world. The Amazon spans nine countries in South America including Ecuador, where this pristine ecoregion is protected by the Yasuní National Park, shown here. Today is set aside as World Rainforest Day, to remember the vital role of this and other rainforests and to champion efforts to protect them. The world"s rainforests are under threat like never before from deforestation driven by agriculture and cattle ranching. Some studies indicate that humans have degraded or destroyed more than half of the world"s rainforests. Fewer trees means warmer temperatures, which increases the risk of drought and wildfire and compounds the damage of deforestation.Desktop Version
World Rainforest Day
World Rainforest Day
Welcome to the largest tropical rainforest on Earth. Our homepage image was taken in Peru, home to about 13% of the Amazon rainforest. Most of it, about 60%, is in Brazil, while 10% is in Colombia. Bolivia, Ecuador, French Guiana, Guyana, Suriname, and Venezuela also have sections within their borders. Covering nearly 40% of South America, the rainforest is teeming with life, including endangered species like jaguars and giant otters, more than 40,000 plants, and thousands of birds and butterflies. Millions of people also live in the Amazon.Desktop Version
Daylight saving time
Daylight saving time
Just like the European hare, we get a little more hop in our steps this time of year—and a bit more daylight as well. It"s the second Sunday of March, when most Americans and Canadians "spring forward," setting their clocks ahead one hour in observance of daylight saving time (DST). Then on the first Sunday of November, we"ll "fall back" by turning our clocks back an hour.Desktop Version
Apple Tree Day
Apple Tree Day
Apple Tree Day is a nationwide ode to the art of apple cultivation and the health benefits this beloved fruit brings to our lives. Apples made their way to North America with European colonists in the 17th century. In 1625, the first apple orchard in North America was planted in Boston by William Blaxton. Today, from Red Delicious to Honeycrisp to Pink Lady, some 200 varieties are grown in the US. The chaffinch on our homepage today is pictured amid tiny crab apples. Sure, they can be a bit tart, but they make for a lovely display in winter and some birds depend on them when other food is scarce. Sliced, baked, in a salad, or as cider, how do you like them apples?Desktop Version
50 years of the Endangered Species Act
50 years of the Endangered Species Act
Today is a special milestone for our furry, scaly, and feathered friends: the Endangered Species Act is turning 50. This landmark legislation, signed into law in 1973, has been helping species on the brink for half a century. Who"s that in the spotlight? A humpback whale! Known for their haunting songs and acrobatic breaches, these gentle giants are a success story of the ESA. They were once on the edge of extinction, largely due to commercial whaling, but thanks to conservation efforts, their population has bounced back from around 5,000 in 1966 to an estimated 135,000 today. However, our work isn"t over. Challenges persist, from habitat loss to poaching. So, what can we do? Spread the word, support conservation efforts, participate in local initiatives, and be eco-friendly.Desktop Version
Mount Rainier National Park
Mount Rainier National Park
In the shadow of Mount Rainier, a carpet of wildflowers bursts into life. Every summer, the meadows around this mountain are colored with vivid shades of blooming subalpine flowers: purple asters, pink coralroot, and yellow tiger lilies, and more. Also known as Tahoma, at over 14,400 feet, Mount Rainier is the tallest mountain in the state of Washington. It is covered by 36 square miles of glaciers and permanent snowfields, the highest glacier ice cover of any mountain in the lower 48 states.Desktop Version
Waiānapanapa State Park, Maui, Hawaii
Waiānapanapa State Park, Maui, Hawaii
Brooding black sand beaches are popular with photographers looking for something a little different, and Hawaii has plenty of them on offer. This famous beach at Wai"ānapanapa State Park on Maui was created when basalt, a dark volcanic rock, was eroded by waves into fine grains, creating a stunning shoreline. You"ll find it on Maui"s east side, toward the end of the legendary Road to Hana, a scenic 64-mile highway. You can also find black sand shores around the world, from Alaska to Greece, Costa Rica, Italy, Iceland, Indonesia, and New Zealand.Desktop Version
Happy Independence Day!
Happy Independence Day!
Break out the BBQ and unfurl your flags, Independence Day is here! Founding Father John Adams wrote to his wife, Abigail, that he believed the holiday would be celebrated with parades, sports, shows, and illuminations. After 247 years, Americans are keeping those traditions alive, though not on the date that Adams anticipated. The Second Continental Congress voted to approve the independence of the United States of America on July 2, 1776, but formally adopted the Declaration of Independence on July 4. That date, enshrined on the Declaration document, became the one we observe today. If you"re looking for a grand way to celebrate, journey to New York City for views of their annual fireworks show and the Empire State Building lit up to match in red, white, and blue.Desktop Version
Porthcawl Lighthouse, Wales, UK
Porthcawl Lighthouse, Wales, UK
With waves crashing against its sturdy base and a stormy sea swirling around, this lighthouse in Porthcawl, on the south coast of Wales, has been standing resilient since 1860. At 30 feet tall, Porthcawl Lighthouse, designed by the eminent engineer James Walker, is often pictured being battered by waves when storms hit. The town"s rugged coastline, with its hidden rocky coves, has always posed a perilous challenge to sailors. Porthcawl Lighthouse was built to help guide the increasing maritime traffic along the Bristol Channel. This cast-iron lighthouse was the last one in the UK to be powered by coal and gas. Although it was converted to electric power in 1997, the lighthouse still maintains its historical charm.Desktop Version
Abraham Lake, Alberta, Canada
Abraham Lake, Alberta, Canada
Ever heard of frozen bubbles? Abraham Lake in Alberta, Canada, has them during the winter, and they"re not just beautiful—they"re science in action. Created in 1972, Abraham Lake is a human-made reservoir that spans more than 20 square miles along the North Saskatchewan River. Thanks to glacier-fed waters from the Rocky Mountains, the lake stays transparent even in the coldest months. Glacial meltwater carries fine sediment that scatters sunlight, while natural filtration through rocks keeps pollutants to a minimum.Desktop Version
National Public Lands Day
National Public Lands Day
This striking photo lets us showcase two noteworthy events in one day, at no extra charge. (You"re welcome.) National Public Lands Day is observed on the fourth Saturday in September, and today"s also part of the Acadia Night Sky Festival, which celebrates the starlit skies over Maine"s gem of a national park.Desktop Version
International Day of the Tropics
International Day of the Tropics
On the International Day of the Tropics, we are in the Banyak Islands of Indonesia, a group of more than 70 islands, most of which are uninhabited and unnamed. The Banyak Islands offer miles of pristine sandy beaches, lush green trees, and clear waters as far as the eyes can see. This tropical paradise also boasts some great surfing and snorkeling spots and draws millions of visitors a year.Desktop Version
Arambol Beach, Goa, India
Arambol Beach, Goa, India
Known for its immense, densely populated cities, India also has a seemingly endless coastline. And no part of it is more languid and lovely than Arambol, in the small and special state of Goa on the southwestern coast. Arambol is a popular holiday town with the vibe of a sleepy fishing village—which it was once was. Now visitors from around the world are drawn to its tropical climate, rainforest valleys, historic architecture, and sandy beaches.Desktop Version
Virgin Islands National Park established
Virgin Islands National Park established
In 1956, businessman and conservationist Laurance Rockefeller saw the beauty of St. John, one of the US Virgin Islands in the Caribbean, and knew it had to be preserved. He donated more than 5,000 acres of land to the National Park Service, and today we"re marking the 68th anniversary of Virgin Islands National Park. Covering about 60% of St. John and 5,650 acres of submerged lands, the park boasts stunning white-sand beaches, coral reefs, and historic sites.Desktop Version
Kissing Day
Kissing Day
This affectionate pair of Atlantic puffins know a thing or two about the restorative pleasures of kissing, which we are celebrating today on International Kissing Day. Started in the United Kingdom, the holiday went global about 20 years ago as a yearly reminder that kissing isn"t reserved just for greetings or social formalities. Puffins engage in an endearing form of courtship behavior seen here called billing, in which they playfully tap each other"s beaks by swinging their heads from side to side.Desktop Version
Pont dArcole over the Seine river, Paris, France
Pont dArcole over the Seine river, Paris, France
Welcome to Paris, France’s ancient capital city, through which flows one of the country’s longest rivers, the Seine. Human habitation here dates back to at least the 3rd century BCE, when a Gallic tribe called the Parisii settled on an island in the middle of the river. Today, that island is known as the Île de la Cité, seen on the left of our photo, and is home to Notre-Dame cathedral, as well as other striking buildings such as the medieval Conciergerie, pictured here.Desktop Version
Upper Geyser Basin, Yellowstone National Park
Upper Geyser Basin, Yellowstone National Park
The highest concentration of geysers in the world is found here in this corner of Yellowstone National Park, called the Upper Geyser Basin. They include what is perhaps the most famous geyser of them all: Old Faithful. But the Upper Basin contains many other geysers as well, including the tallest predictable geyser (Grand Geyser) and the most voluminous geyser (Giant Geyser). Yellowstone contains about 500 geysers, roughly two-thirds the number in the entire world.Desktop Version
Tegallalang terrace farms in Ubud, Bali, Indonesia
Tegallalang terrace farms in Ubud, Bali, Indonesia
Sweeping downhill in our homepage image are the famous rice terraces of Tegallalang, one of Bali"s most popular tourist attractions. They are carved into the side of a valley near the town of Ubud and use the traditional Subak irrigation system, which dates back to the 9th century. Bali"s rivers and streams provide year-round water for its crops but here people work hand-in-hand with nature, and a network of irrigation channels distribute water to each paddy field. They carefully tend rice plants during the growing season, as generations have done before them, before harvesting and distributing the rice between the community. The Subak system is so important in Balinese culture, it has been recognised by UNESCO. These terraces offer visitors panoramic views over the surrounding rice fields and lush landscape, as well as a picturesque example of people living in harmony with nature.Desktop Version
World Childrens Day
World Childrens Day
What"s more creative than a young mind? This World Children"s Day, let"s celebrate the boundless imagination of kids and the ideas they bring to life. A UNICEF initiative, this day is a global day of action for children, by children, which marks the UN"s adoption of the Convention on the Rights of the Child. Kids are raising their voices on issues ranging from conflict and climate change to mental health and discrimination, in a bid to influence the future.Desktop Version
Common raven
Common raven
The common raven is an intelligent and adaptable bird known for its striking appearance and remarkable behaviors. This elegant bird is easily identified by its characteristic wedge-shaped tail and glossy black feathers. Their keen eyesight and agile flight make them proficient hunters, often scavenging for prey or stealing from other predators. Ravens are known for their playful behavior and their omnivorous diet, feeding on a wide variety of foods, including carrion, insects, and small mammals.Desktop Version