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20 years later
20 years later
The glassy lower Manhattan skyline is so pristine it"s hard to fathom the tragic scene it became 20 years ago today. But this twisted beam resting on the Hudson River"s shores is one of many reminders.Desktop Version
International Tiger Day
International Tiger Day
It"s International Tiger Day! A day to celebrate these magnificent animals and consider how best they can be protected. The largest wild cats in the world, all tiger species are endangered, facing challenges including habitat loss, the illegal wildlife trade, and poaching. The Bengal tiger, an iconic subspecies primarily found in India, is the star of today"s image. As apex predators, Bengal tigers play a vital role in maintaining ecological balance by controlling populations of deer, wild boar, and bison. With an estimated population in the wild of between 2,500 and 3,000, tiger conservation is crucial to secure the future of this majestic species.Desktop Version
Ode to the sun
Ode to the sun
Today marks the summer solstice in the Northern Hemisphere—the longest day of the year and, for most of us on this side of the globe, the first official day of summer. (Iceland, being Iceland, celebrates the first day of summer in April, an old Viking tradition.) What better way to celebrate this day of sun than with Reykjavik’s Sun Voyager. Though it looks a bit like a Viking ship or maybe a fish skeleton, sculptor Jón Gunnar Árnason created it to be a dream boat and an ode to the sun. Sounds good to us. Join us in celebrating the sun today.Desktop Version
Winnie-the-Pooh Day
Winnie-the-Pooh Day
Today we"re in England"s Ashdown Forest, a tranquil patch of woods 30 miles south of London in East Sussex. We"ve wandered here because this is the enchanted forest that inspired author A.A. Milne"s depiction of Winnie-the-Pooh"s neighborhood, the Hundred Acre Wood. It"s our way of celebrating Winnie-the-Pooh Day, observed each year by the Pooh faithful on January 18, Milne"s birthday. The author, along with help from illustrator E.H. Shepard, introduced the world to Pooh and his many forest friends with the beloved "Winnie-the-Pooh" books, first published in 1926.Desktop Version
Fight for your lefts
Fight for your lefts
It"s International Left-Handers Day, so why are we showing this horned ghost crab whose right claw is noticeably larger than its left? Well, we"re calling this crab a lefty because while its beefy right pincher is useful for grappling with other crabs, it uses its left claw for precision work like bringing food to its mouth, as a human southpaw does. (Though to be fair, it"s never been observed which claw these crabs use for writing or playing golf.)Desktop Version
Nature Photography Day
Nature Photography Day
Towering trees, rushing streams, and luminous fireflies combine to create this magical landscape in Tennessee"s Great Smoky Mountains National Park. The park is famous for its firefly season between May and June when these "lightning bugs" gather to put on a light show as part of a mating display. Today, we celebrate the anniversary of this magnificent national park, as well as Nature Photography Day. There may be no better subject than the lightning bug to mark the day—as photography is the art of capturing light in lasting images.Desktop Version
Antarctica Day
Antarctica Day
The windiest, coldest, and driest continent on Earth—Antarctica—was officially discovered in 1820. In the following decades, several countries organized expeditions to reach and explore the Antarctic ice sheets. The southernmost continent had no indigenous population and various nations claimed ownership. But in 1959, 12 countries signed the Antarctic Treaty, banning military activities and setting Antarctica aside for scientific research. Today, we celebrate the anniversary of this treaty, which now has 56 parties.Desktop Version
Chilling out in the Arctic
Chilling out in the Arctic
Surfers from Norway and around the world gather each September in Unstad, a tiny village in Norway"s Lofoten Islands, to compete in the Lofoten Masters, which bills itself as the world"s northernmost surfing competition. Described by some as home to the best surf break in Norway, the island village, where sheep easily outnumber villagers, boasts two surf shops to help both novices and experts prepare for the extreme conditions. And surfing isn"t just a summer sport at this famous beach located inside the Arctic Circle—during winter months, surfers come here for the unique experience of surfing under the aurora borealis.Desktop Version
Classical music takes center stage
Classical music takes center stage
We"re looking at the West–Eastern Divan youth orchestra rehearsing for a performance in the BBC Proms. The Proms (short for promenade concerts) is an annual music festival held in London over eight weeks from July into September. The first Proms took place on August 10, 1895 in the Queen’s Hall in Langham Place, London. After the Queen"s Hall was destroyed by a bomb during the Blitz, the Proms moved here to the Royal Albert Hall in 1941. This year marks the 125th festival and includes 150 concerts and educational events. While the focus is on classical music, the Proms in the Park event closes out the season with performances from Barry Manilow, Chrissie Hynde, and other pop artists.Desktop Version
Natural Bridges State Beach in Santa Cruz, California
Natural Bridges State Beach in Santa Cruz, California
California brown pelicans, cormorants, and gulls enjoy jostling for position on top of this stunning rock formation in Natural Bridges State Beach in Santa Cruz. It is the sole surviving natural "bridge" in this state park. Once three bridges stood side-by-side here, carved by waves into cliffs that jutted out into the Pacific. This one stood in the middle, but the outermost bridge collapsed in 1905 and the innermost one disappeared in 1980.Desktop Version
Celebrating women in science
Celebrating women in science
For the International Day of Women and Girls in Science, we"re visiting the Great Barrier Reef with oceanographer Dr. Sylvia Earle. This photo is from the 2014 documentary film "Mission Blue," which follows Earle, a legendary marine biologist, environmentalist, and National Geographic Explorer-in-Residence. The film focuses on Earle"s campaign to create a global network of protected marine sanctuaries. Sometimes called Her Deepness, Earle has made immense contributions to science over her career. From leading groundbreaking research in deep ocean science to becoming the first female chief scientist at the National Oceanic and Atmospheric Administration, Earle is recognized as one of the world"s preeminent oceanographers.Desktop Version
When Death Valley blew its top
When Death Valley blew its top
Deep below Death Valley"s charred surface, blazing hot magma once gushed up through a geologic fault until it hit groundwater. The magma quickly turned the water to steam, and like a defective subterranean pressure cooker, the Earth"s crust blew its top in a ferocious explosion. The hydrovolcanic eruption sent up a mushroom cloud of steam and spewed burnt volcanic cinders for miles. It also left the giant crater seen in this photo and 12 smaller ones spread across the surface.Desktop Version
Computer Science Education Week
Computer Science Education Week
Computer science is a dynamically developing discipline that has revolutionized our lives within a few decades. For Computer Science Education Week, we celebrate information systems and their power to connect the world, 24 hours a day. Where better to mark the occasion than the European Organization for Nuclear Research, known as CERN—birthplace of the World Wide Web? The 89-foot ball seen on today’s homepage is CERN"s Globe of Science and Innovation in Switzerland, in which visitors can learn more about the organization"s research work on particle physics. Quiet observers can wander around exhibitions and follow guided tours, and curious minds can take part in lab workshops and science shows for a first-hand experience.Desktop Version
Smoking nights in Austria
Smoking nights in Austria
Behold the lovely Tannenbaum ("fir tree" for you non-German speakers). Here in Tyrol, Austria, Christmas Eve marks the first of three Rauchnächte, or "smoking nights." A long-standing Tyrolean tradition, people in this Alpine region burn frankincense and herbs in homes, barns, and stables to avert bad fortune. The custom is then repeated on the other two "smoking nights," New Year"s Eve and the night before Epiphany.Desktop Version
Instant romance
Instant romance
If you visit the Lost Angeles County Museum of Art, you’ll be able to walk through this art installation made from 202 street lights arranged in a tight grid. Over the course of about 20 years, artist Chris Burden collected 1920s- and ‘30s-era street lights, which he meticulously restored, painted, and installed in 2008 as ‘Urban Light’ at LACMA’s entrance. This year, for its 10-year anniversary, the 309 incandescent light bulbs of the sculpture were replaced with more efficient LED bulbs designed to emulate the soft light of the original bulbs and to reduce harmful emissions.Desktop Version
Monarch butterflies, Pismo Beach, California
Monarch butterflies, Pismo Beach, California
Today we"re in Pismo Beach, California, to celebrate one of the best-known species of butterflies—the monarch. Western Monarch Day marks their seasonal migration to California"s Central Coast from cold northern locations west of the Rocky Mountains.Desktop Version
Harvest time in the Palouse
Harvest time in the Palouse
The Palouse region of the inland Pacific Northwest is an unusually hilly prairie that straddles the state line between Washington and Idaho. Farming seems an unlikely endeavor here, but the land, and the weather patterns, make it ideal for wheat and lentil farming. This time of year, the soft white wheat harvest is on, as the crop turns from green to gold, and for the farmers, from harvest to profit. Before Europeans and early US settlers arrived, the Palouse was occupied by the Nez Perce people, who bred and raised horses with spotted coats—a breed that would eventually come to be known as "appaloosas"—a gradual permutation of the name "Palouse."Desktop Version
International Rock Day
International Rock Day
International Rock Day, on July 13, celebrates these hardy heroes, which have played a big part in human history since at least the Stone Age. They served as humanity"s first tools and as nature"s journals, protecting ancient fossils and documenting changes caused by geological processes.Desktop Version
Bản Giốc–Detian Falls, Vietnam
Bản Giốc–Detian Falls, Vietnam
Welcome to a spot where rivers meet borders in the most stunning way: Bản Giốc–Detian Falls, featured in today"s image. Tucked between the karst hills of Daxin County in China and Trùng Khánh district in Vietnam, these falls tumble along the Quây Sơn River. Over 95 feet tall and 980 feet wide, it holds the distinction of being the widest waterfall in Vietnam. Located just 169 miles north of Hanoi, this waterfall have gradually worn away their crest over the years, inching upstream. For most of the year, they flow as two distinct cascades, but come summer, when the rains swell the river, they merge into one big fall.Desktop Version
The artists come to Venice
The artists come to Venice
Our photo today shows a small part of artist Claudia Fontes’ sculpture called "El Problema del Caballo" (The Horse Problem). The Argentinian artist exhibited the large installation work with smashed pieces of stone surrounding the larger-than-life white horse, as if it had crashed into the exhibition space. The installation was shown in 2017 at the Venice Biennale, where artists from around the globe bring their work to show off at this every-other-year arts and culture festival in the Italian city of Venice. The Biennale is just starting up again this month, and many of the programs and exhibits will be going on through the summer and into fall.Desktop Version
Winter solstice
Winter solstice
Frost-covered birch trees add a graceful touch to this winter landscape in the German state of Bavaria. This region is home to the villages of Uffing and Schöffau, on the shores of Staffelsee lake, and is often covered in mist and snow, creating an ethereal ambience. A winter chill is to be expected today, on the shortest day of the year. Typically falling on December 21, the solstice marks the beginning of winter in the Northern Hemisphere. While we"re wrapping up warm, the Southern Hemisphere is celebrating the start of summer on their longest day of the year.Desktop Version
Dancing in The Nutcracker
Dancing in The Nutcracker
If it"s December, then countless dance companies are likely performing "The Nutcracker." The ballet has become an iconic holiday entertainment staple, produced around the world. This photo captures a scene from the 2016 production by the English National Ballet at the London Coliseum. The company has been performing "The Nutcracker" during the Christmas season since 1950.Desktop Version
White Desert National Park, Egypt
White Desert National Park, Egypt
Snow, in the desert? Not quite. Today we"re in Egypt"s White Desert, which gets its colorful name from an abundance of chalk, limestone, and quartz rock formations that give the sand its special hue. Tourists flock to this place to see these naturally occurring structures, honed over thousands of years into unique shapes through a process known as differential weathering. Located about five hours to the southwest of Cairo, White Desert National Park is a lot more than just deteriorating rocks—it"s also a protected refuge for several endangered animal species.Desktop Version
The Great Glen
The Great Glen
Was this photo taken in a peppermint forest? This rare and delicate hoarfrost may look like a confectioner"s coating, but it"s just the ice that forms when the Scottish Highlands" fog mixes perfectly with a sharp cold snap.Desktop Version
World Meteorological Day
World Meteorological Day
They might look like spaceships from a retro sci-fi movie, but these strange shapes hovering above the mountains in Patagonia are of earthly origin. These are lenticular clouds, named after their lens-like shape. They form near hills and mountains where moist air is pushed up and over the peaks, cooling as it rises and condensing into water droplets. As wind blows over the mountains it can create a series of waves in the air, and these unusual clouds form in the crest of those waves.Desktop Version