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Tortula moss, Netherlands
Tortula moss, Netherlands
You may be surprised to learn that this elegant plant dappled with water droplets is a variety of moss: Tortula muralis, better known as wall screw-moss. It"s found all over the world, even in urban areas where more sensitive mosses have a hard time thriving because of dry soil and air pollution. Mosses in general are accurate monitors of air pollution—they absorb air and water, so contaminants can also be measured in their cells.Desktop Version
Mangrove Conservation Day
Mangrove Conservation Day
Although we think of forests as trees on land, some of the most important trees grow in water, or more precisely, marshland. Mangrove forests, like this one in Saloum Delta National Park in Senegal, are vital components of the world"s coastal ecosystems. Mangroves survive where no other trees can, in salty, low-oxygen coastal waters exposed to tides and storms. They grow up to 30 feet high primarily in tropical and subtropical regions and are able to store vast amounts of carbon, making them crucial to moderating our climate. Mangroves also act as nurseries for fish and aquatic life. And with their complex, interwoven root systems, they protect coastlines from erosion. Today we join the UN in shining a light on the necessity and fragility of mangroves: July 26 is the International Day for the Conservation of the Mangrove Ecosystem.Desktop Version
World Elephant Day
World Elephant Day
Today is World Elephant Day, when we focus on these remarkable creatures and pledge to protect them. African elephants, like those shown here, are the largest living land animals, with bull elephants standing a whopping 13 feet tall at the shoulder. Their distinctive trunks and big, flapping ears make them one of the first animals every child can recognize. Adults marvel at the close family bonds they create and the way a herd rallies to protect its members, grieving when one dies. They form a strong, social community over their life span of about 60 to 75 years.Desktop Version
Ukrainian Independence Day
Ukrainian Independence Day
Ukrainian Independence Day takes on a greater meaning this year, as Russian troops occupy its eastern provinces and the invaders" shells rain down on its citizens. On February 24, Russian President Vladimir Putin ordered the invasion of Ukraine in a major escalation of the Russo-Ukrainian War that began with Russia"s annexation of Crimea in 2014. NATO and Europe have rallied to Ukraine"s cause, and a war that many expected to last weeks has stretched into months, with the Western-backed Ukrainian forces thwarting Putin"s ambitions and not showing any signs of relenting.Desktop Version
Zoroaster Temple, Grand Canyon National Park, Arizona
Zoroaster Temple, Grand Canyon National Park, Arizona
Carved by the Colorado River, nearly 2 billion years of Earth"s history are exposed in the layers of the Grand Canyon. While geologists continue to debate parts of the formation story of the canyon, recent studies suggest the river carved its path through the region about 5 to 6 million years ago. Since then, the river has been deepening and widening the canyon while sculpting its dramatic geographic features.Desktop Version
Shark Fin Cove, California
Shark Fin Cove, California
Shark Fin Cove, also known as Shark Tooth Beach, is nestled in a cove in the tiny town of Davenport on California"s Central Coast. The cove is a coastal gem known for its stunning sea stack—a vertical rock formation that resembles a shark"s fin. The fin used to be connected to the mudstone cliff that surrounds the beach. Over time, the relentless crashing waves and strong winds slowly eroded the rock formation. Shark Fin Cove is visible from Highway 1, where travelers can stop and look at the expansive Pacific Ocean views.Desktop Version
Kelimutu, Flores, Indonesia
Kelimutu, Flores, Indonesia
Atop Kelimutu, a volcano on the Indonesian island of Flores, sit three lakes, each with its own hue and folklore. Volcanic vents deep within the Earth release steam and gas that alter the lakes" mineral compositions, creating different colors, which can change independently. The westernmost lake, Tiwu Ata Bupu (Lake of Old People), not pictured, normally has a dark blue hue. Meanwhile, Tiwu Ko"o Fai Nuwa Muri (Lake of Young Men and Maidens), tends to be light green or light blue and Tiwu Ata Polo (Bewitched or Enchanted Lake) can be red, dark green, blue or brown. The local Lio people revere these lakes, believing them to be the resting place of souls.Desktop Version
Okefenokee Swamp
Okefenokee Swamp
The Okefenokee Swamp, on the border of Georgia and Florida, is the largest intact freshwater swamp in the US. Its slow-moving blackwaters are stained by tannins from decaying organic matter and this vast ecosystem, covering 700 square miles, is packed with wildlife. Herons, cranes, bitterns, American alligators, turtles, snakes, frogs, and Florida black bears are among creatures who roam the swamp, which is largely protected by the Okefenokee National Wildlife Refuge. In the early years of the 20th century, part of the swamp was logged, and its peat deposits were mined for use as fuel. Remnants of railroad lines can still be seen crossing swamp waterways as well as other equipment dating from its time as a logging area.Desktop Version
Brown-throated three-toed sloth in cecropia tree, Costa Rica
Brown-throated three-toed sloth in cecropia tree, Costa Rica
Costa Rica"s forests are habitats for two sloth species: Hoffmann"s two-toed sloth and the star of today"s homepage, the brown-throated three-toed sloth. Despite being larger than many other tree-dwelling mammals, three-toed sloths have adapted by reducing their muscle mass and size to thrive on treetops. Their large stomachs have four chambers, which, when full, account for about 30% of their body weight. These shaggy critters are so sedentary that algae grow on their coats, which helps to camouflage them within the rainforest canopy. In 2021, these slow-moving creatures were declared national symbols in Costa Rica. Then-president Carlos Alvarado signed the initiative into law to emphasize the sloths" importance in the country"s ecosystem.Desktop Version
Memorial Day
Memorial Day
Today, on Memorial Day, many will no doubt stand before this fountain on the National Mall in Washington, DC. Dedicated 18 years ago as our national World War II Memorial, it"s become one of the most popular sites in the nation"s capital, and now receives more than 4 million visitors each year. To the west, toward the setting sun, is the Reflecting Pool and the Lincoln Memorial. To the east, unseen here, is the Washington Monument.Desktop Version
Fallow deer, Bradgate Park, Leicestershire, England
Fallow deer, Bradgate Park, Leicestershire, England
This doe and fawn are fallow deer, known for their striking chestnut brown coats with white spots, which typically darken to gray in the winter. Fallow deer are native to Europe and parts of Asia and are a common sight in England, where they were introduced by the Normans in the 11th century. During the autumn rutting season, mothers stay close to their young while the males, which have broad palmate antlers, spar to establish their dominance. Our homepage doe and fawn are pictured in 850-acre Bradgate Park in Leicestershire, a medieval deer park set within woodlands and a beautiful landscape in England"s East Midlands region.Desktop Version
National Mushroom Month
National Mushroom Month
When the Mushroom Council decided it was high time to "champignon" these versatile fungi, they settled on September as the perfect time to do so. National Mushroom Month highlights their importance and encourages you to know your mushrooms. For example, poisonous jack-o"-lantern mushrooms are sometimes misidentified as edible chanterelles. Others have medicinal properties like today"s homepage species, turkey tail, used to treat lung conditions in traditional Chinese medicine. Recent research showed them exhibiting anti-tumor properties and helping fortify the immune system. Other mushrooms make great meal additions, and from portobello to shiitake mushrooms, there are thousands of edible species out there. Sautéed, stuffed, sliced, on a pizza, or in soup, it is time to bring some umami fun(gi) to your plate!Desktop Version
AAPI Heritage Month & Lei Day
AAPI Heritage Month & Lei Day
May 1 means different things in different parts of the world, but here in the middle of the Pacific Ocean, it means Lei Day, a statewide celebration of Hawaiian culture and the spirit of "aloha," that intangible sense of warmth, belonging, and connection that emanates from this isolated chain of volcanic islands. Lei Day was first celebrated in 1927 and made an official holiday in 1929. It also happens to fall on the first day of Asian American and Pacific Islander Heritage Month, which honors Americans of Asian, Melanesian, Micronesian, and Polynesian heritage. May is the month the first Japanese immigrants arrived in the US in 1843, and the month the transcontinental railroad was completed in 1869 by, mostly, Chinese immigrants.Desktop Version
Saint Andrews Day
Saint Andrews Day
Put on your tartan and let the bagpipes play—it"s St. Andrew"s Day! Scotland"s national day is a public holiday there—though not everyone takes the day off. A fisherman by trade, St. Andrew—also the patron saint of several other countries including Greece, Barbados, Romania, and Ukraine—was one of the 12 apostles and a key figure in Christianity. Though he never set foot in Scotland, his influence is immortalized in the country"s flag, a white saltire on a blue background, said to represent the cross on which he was martyred.Desktop Version
Autumn in Alaska
Autumn in Alaska
It"s that time of year when Alaskan caribou are beginning to feel a little frisky. From late September until early November, males will be strutting their stuff, locking antlers with one another, and competing for the attention of females in hopes of furthering the species. Successful males will mate with 15-20 females a season. After the rutting season males will shed their antlers while females keep theirs until spring. In today"s photo we"re looking at some caribou in southcentral Alaska crossing the Susitna River.Desktop Version
World Lizard Day
World Lizard Day
Do you hold a warm spot in your heart for these cold-blooded creatures? Lizard lovers celebrate the scaly squamates on this day each year. This camouflaged panther chameleon is one of a multitude of lizards that inhabit the island of Madagascar, many of which are found nowhere else. More than 50% of chameleon species are found only on the island, including the world"s smallest known chameleon, the recently discovered Brookesia nana, which is smaller than your fingernail.Desktop Version
Arches National Park, Utah
Arches National Park, Utah
If you fancy a stroll through time, Arches National Park is the perfect gateway! With over 2,000 natural stone arches, hundreds of tall pinnacles, large rock fins, and giant balanced rocks, this park is among the world"s most scenic destinations. In the popular Windows Section, covering just over 2 square miles, there are spectacular rock formations including North Window, Turret Arch, and Double Arch. Others include Garden of Eden, Elephant Butte, a 5,653-foot summit, and Parade of Elephants, so visitors are never short of awesome sights to enjoy.Desktop Version
American bison, Grand Teton National Park, Wyoming
American bison, Grand Teton National Park, Wyoming
The bison is a majestic, massive creature, a true emblem of the American frontier spirit. These sturdy animals roamed North America"s prairies for thousands of years in numbers estimated to be as high as 60 million. But settlement of the American West caused habitat loss, and that, combined with overhunting, nearly wiped out the species altogether by the end of the 19th century. Ranchers, conservationists, Native American tribes, and politicians teamed up to save the bison and today, nearly 500,000 bison can be found in North America. About 15,000 animals are in free-roaming herds that graze on US public lands, like the bison in today"s image, shown at Grand Teton National Park in Wyoming.Desktop Version
Groundhog Day
Groundhog Day
It"s Groundhog Day … again. Today, Americans and Canadians rely on the prognostication skills of Punxsutawney Phil to determine if winter will hang on. Phil is a famous groundhog, also known as a woodchuck, and legend has it that if he emerges from his burrow February 2 and sees his own shadow, he"ll go back to sleep for another six weeks of winter. If he doesn"t, it will be an early spring. German immigrants brought the custom to America, where it was first celebrated in Punxsutawney, Pennsylvania, in 1887. Historically, Europeans celebrated February 2 as the first day of spring, and Germans originally watched badgers and other small animals for signs of seasonal change important to farmers. The Germans who settled in Pennsylvania in the 18th and 19th centuries chose the area"s native groundhog for this task.Desktop Version
Boxing Day
Boxing Day
As the last notes of Christmas carols linger in the air, Boxing Day arrives. This day is celebrated in the United Kingdom, Canada, and several Commonwealth countries. In the past, it was customary for the wealthy to give boxes filled with gifts to their servants on the day after Christmas. The tradition evolved into a day for charitable giving to the less fortunate. Today, while the spirit of giving remains, it has transformed into a holiday about enjoying bustling sales and a lineup of soccer matches.Desktop Version
Hyalite Creek at Custer Gallatin National Forest, Montana
Hyalite Creek at Custer Gallatin National Forest, Montana
Today we"re taking a little fishing trip just south of Bozeman, Montana, to Hyalite Creek, which runs through Custer Gallatin National Forest. This is one of the most heavily visited recreation areas in Montana, especially for those who like to fish. Late-1800s logging operations in the surrounding forest damaged the habitat for trout in Hyalite Creek, but stream restoration projects have increased trout populations to such an extent that this is now considered a world-class destination for fly fishing.Desktop Version
Bowling Ball Beach in Mendocino County, California
Bowling Ball Beach in Mendocino County, California
Welcome to nature"s bowling alley. Bowling Ball Beach on the Mendocino Coast in California is named after the striking rock formations strewn across the shore. These sandstone balls—a phenomenon known as concretions—formed over millions of years as sedimentary layers built up around a central core of sand and stone held together by mineral cements. Erosion gradually wore away the outer layers to expose the spherical shapes we see today. This created a fascinating spectacle that only appears at low tide. Concretions are rare, and there has been plenty of wild speculation about where they come from, with some believing them to be extraterrestrial debris while others wondering if they are dinosaur fossils. The answer, however, is quite simple: it is the forces of nature at play.Desktop Version
International Museum Day
International Museum Day
To mark International Museum Day, we"re featuring a destination that hasn"t (yet!) achieved the fame of the Louvre or the Getty or the Met, although it"s as unmistakable in appearance as any of them. This relatively small wonder proves that inspiration can be found in many places, including a suburb of Kansas City. At 42,000 square feet, the Museum at Prairiefire in Overland Park, Kansas, is about 1/50th the size of the American Museum of Natural History in New York, with which it has a partnership. But to those who find beauty and truth behind its walls, Prairiefire is no less enriching.Desktop Version
Wild and Scenic Rivers Act
Wild and Scenic Rivers Act
Ever wonder how some of our rivers stay unspoiled? It"s thanks to the Wild and Scenic Rivers Act, which was signed into law on this day in 1968. This legislation created the National Wild and Scenic Rivers System which preserves rivers with exceptional natural, cultural, and recreational qualities.Desktop Version
Tolkien Reading Day
Tolkien Reading Day
Today is Tolkien Reading Day. It"s a time to dust off well-worn copies of "The Lord of the Rings" or "The Hobbit," and journey once more into the lands of elves, dwarves, and one particularly famous ring. But why this date? March 25 is the day the One Ring was destroyed, bringing down Sauron and ending his dark reign. The observation was launched in 2003 to encourage people to explore J.R.R. Tolkien"s works. Schools, libraries, and fans worldwide take part, reading passages aloud, discussing favorite moments, and diving into the rich lore of Middle-earth. Some go all out with themed events, cosplay, and even second breakfasts—because what better way to honor Tolkien than by feasting like a hobbit?Desktop Version