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Laguna de Torrevieja, Spain — When we encounter bodies of water in nature, we might expect hues of blue, from the pale cyan shade of lagoons to the navy blue of deep lakes. But pink water—where on Earth could that be found? At (deep breath) El Parque Natural de Las Lagunas de La Mata y Torrevieja in Alicante, Spain. Here, there are two lakes: one green and one pink, and it is the latter that you see on our homepage. The highly saline water, dotted with clusters of salt crystals, is the perfect environment for microscopic algae, which are rich in carotenes. This results in the rosy tinge that protects the algae from solar radiation. And the pink is just getting started, as the algae are eaten by tiny crustaceans, which turn pink and are then eaten by flamingos, which acquire the rosy hue as well.Desktop Version

International Day of Mangrove Conservation — Natural vegetation is sparse in the United Arab Emirates, due to its hot and dry desert climate. But along its coast, mangroves have taken root. These hardy trees and shrubs are halophytes, salt-tolerant plants that can filter 90% of the salt from the seawater they live in. Despite their resilience, mangroves are threatened globally, largely due to human activity. Mangrove coverage is thought to have halved over the past 40 years, and they are dwindling much faster than forests overall. The UN has established the International Day of Mangrove Conservation, scientific funding, Global Geoparks, and World Heritage sites to try to reverse these trends. These efforts are vital; mangroves help prevent erosion and protect against storm surges, as well as providing a home for fish, crustaceans, and other wildlife.Desktop Version

Arc de Triomphe du Carrousel and the Louvre Pyramid — Paris features an impressive stretch of parks, gardens, and monuments called the Axe historique, or historical axis, that starts at the Louvre Museum, in the city center, and extends west, ending at La Grande Arche. Today"s image shows the Arc de Triomphe du Carrousel at the eastern end of the route, with the embodiment of Peace riding a chariot atop it. It shouldn"t be confused with the better-known and much larger Arc de Triomphe de l"Étoile, which stands 2 miles away, halfway along the Axe historique. It"s a lovely walk from one to the other, through the Jardin Des Tuileries and along the famous Avenue des Champs-Élysées. If the statue on the left side of the photo caught your eye, wave hello to King Louis XIV on horseback.Desktop Version

San Blas Islands, Panama — Nestled off the northern coast of Panama, the San Blas Islands are an archipelago of more than 360 islands in the Caribbean Sea. Known for their clean, calm waters, they are the perfect place for adventure sports such as snorkeling, surfing, and diving. Staghorn and pillar coral are among the species found in coral reefs surrounding the islands, which teem with marine life. The islands are inhabited primarily by Gunas—people indigenous to Guna Yala—who preserve their way of living with vibrant, traditional clothing, thatched-roof huts known as "bohíos," and intricate, handcrafted mola textiles.Desktop Version

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

Palouse farmland, Washington state — The Palouse region in the Pacific Northwest is known for its picturesque landscapes, agricultural heritage, and unique geological features. Those stunning hills in our homepage image were formed over tens of thousands of years, from dust and silt blown by the wind, known as loess. The Palouse"s fertile soil and climate make it ideal for farming and it is known for its wheat, barley, lentils, and other crops. With its beautiful rolling hills covered in patchworks of green and golden fields, it is often compared to Italy"s Tuscany region or the French countryside.Desktop Version

Rock House in Hocking Hills State Park, Ohio — Ancient and beautiful, Rock House is the only true cave in Ohio"s Hocking Hills State Park. This corridor, halfway up a 150-foot cliff, was carved by erosion and has offered shelter to various dwellers over different periods. Long before European settlers arrived, the area"s Native American people are believed to have used Rock House as a refuge. Small recesses in the rock walls are thought to have been used as baking ovens, while troughs gouged in the cave"s floor helped them to collect water. The walls of Rock House have seven window-like openings, allowing sunlight to filter through, casting beautiful patterns inside the cave and offering cliffside views over the trees for generations of Rock House dwellers.Desktop Version

National Mountain Climbing Day — Today is National Mountain Climbing Day, dedicated to celebrating the sport while highlighting its many risks and rewards. In a bid to scale the tallest peaks and conquer difficult terrain around the world, mountain climbers embark on physically strenuous journeys that demand exceptional training and experience. But the panoramic views and sense of achievement after reaching the summit makes the effort worthwhile. Our image today is that of Denali, North America"s highest peak at 20,310 feet, in south-central Alaska. The name "Denali" means "the high one" in the native Athabascan language. Four climbers, Walter Harper, Harry Karstens, Robert Tatum, and Hudson Stuck, were the first to set foot on the top of the mountain in 1913.Desktop Version

Capitol Reef National Park, Utah — Behold the rugged grandeur of Utah"s red rock country. This hidden gem of the American Southwest is Capitol Reef National Park, a tapestry of towering cliffs, twisting canyons, colorful sandstone buttes, and sweeping desert landscapes. Less popular than Zion and Bryce Canyon, the park offers a pleasantly uncrowded experience for visitors keen to enjoy this spectacular landscape. It is also home to a wide variety of plants and animals, including the elusive desert bighorn sheep and more than 230 bird species. But its crown jewel is the nearly 100-mile long Waterpocket Fold, a 7,000-foot-high step in the rock layers, officially known as a monocline. This massive wrinkle on the surface of the planet was formed around 50 to 70 million years ago.Desktop Version

Zelenci Nature Reserve, Slovenia — Experience nature"s palette at its colorful best at Zelenci Springs, where Italy, Austria, and Slovenia meet, and multiple springs combine to form this aquamarine lake. Here in Slovenia’s Triglav National Park, these crystal-clear waters are the source of the Sava Dolinka, which runs into the country’s longest river, the Sava. Peer closely at the lakebed and you will see tiny springs bubbling up beneath the water"s surface. These spring waters never freeze as underground water temperatures stay around 41 degrees Fahrenheit, enough to keep flowing through harsh winters in this alpine region.Desktop Version

Tintern Abbey, Wales — Set deep in a gorge of the UK"s River Wye, Tintern Abbey has an enduring presence. Originally built in wood, this Gothic masterpiece in Monmouthshire, Wales, was rebuilt in stone in 1269. It was in use for centuries until the dissolution of the monasteries in the 1530s, when Henry VIII broke with the Catholic Church. The building fell into ruin but, as the centuries passed, word of its intricate stones and romantic, pastoral setting spread. From painter J. M. W. Turner to poet William Wordsworth, many artists were drawn to the abbey over the years. This majestic ruin is now a national icon on the Welsh bank of the River Wye, on the border between Wales and England. There"s another abbey in County Wexford, Ireland, of the same name. Back in olden days, the one in Wales was often known as "Tintern Major," while the Ireland one was called "Tintern de Voto" (Tintern of the Vow).Desktop Version

Atlantic puffin, Iceland — Meet the Atlantic puffin! Known as "sea parrots" or "clowns of the sea," about 60% of all Atlantic puffins nest on the coasts of Iceland. If you visit between June and September, you might see baby puffins being flung off a cliff. Do not be alarmed! It"s part of puffling season, a yearly tradition on Iceland"s Westman Islands, home of the largest puffin colony in the world. Residents search with a flashlight for lost or wayward pufflings—baby puffins—around cliffs, harbors, and the seaside area. They pick them up with gloved hands, take them to a cliff before sundown, and toss them over the edge. Why? Well, the lights of the town can confuse pufflings, who use the light of the moon and stars to guide them to the ocean, where they live for much of the year. Residents are simply doing their part to ensure they find their way to their natural habitat.Desktop Version

Kagami-ike, Nagano, Japan — This serene Japanese landscape is reflected in the still waters of an artificial reservoir known as Kagami-ike, meaning ‘mirror pond." Surrounded by lush greenery and the Togakushi Mountain Range in Nagano Prefecture, Kagami-ike emerges from the morning mists to create an enchanting spectacle. During the cherry blossom season, visitors walk among sakura petals that float along the breeze while, in autumn, they can enjoy its surrounding orange and yellow foliage. This secluded spot is a wonderfully peaceful place for mindful meditation and self-reflection.Desktop Version

National Lighthouse Day — Happy National Lighthouse Day! A beacon, a warning, and a symbol of hope and home, lighthouses have existed for thousands of years. The earliest known was the Pharos of Alexandria, which stood an estimated 330 feet tall. Built by the ancient Egyptians in the 3rd century BCE, an open fire was lit at its highest part to guide ships into port. Illumination technology advanced over the centuries, culminating in today"s electric versions beaming light that can be seen from over 20 miles away. North Carolina"s Bodie Island Lighthouse, pictured here, was built in 1872 and overlooks a section of ocean once known as the Graveyard of the Atlantic. Since then, it"s been doing its best to outshine the stars above, as it guides sailors home to safe harbor.Desktop Version

Infinity Day — This looping highway in Taipei bears a resemblance to the symbol of infinity—the concept of something without ends or limits that is celebrated today. Infinity Day is held on the eighth day of the eighth month, a nod to the symbol"s likeness to a sideways figure-of-eight. Established in 1987 by a New York-based philosopher, Jean-Pierre Ady Fenyo, the day celebrates freedom of thinking in its various forms, from philosophy through the arts and sciences. The symbol itself has a much longer history. English mathematician John Wallis is credited with introducing it as a mathematical symbol in 1655. The philosophical concept of infinity dates back at least as far as ancient Greece.Desktop Version

International Day of the Worlds Indigenous Peoples — Earth is home to an estimated 476 million Indigenous people, a term meaning "sprung from the land" or native, which refers to the descendants of an area"s first-known inhabitants. They represent about 6% of the global population but speak more than half of the world"s estimated 7,000 languages. Our homepage today showcases the art of the Tiwi people of Australia, who speak a unique language unlinked to another other known language, in their community of only 2,000 people. Colonization has long impacted Indigenous people, contributing to high rates of poverty and loss of language and traditional lands. The UN first held the International Day of the World"s Indigenous Peoples in 1994, and every August 9 they bring attention to the fight to preserve the rights, dignity, and existence of the world"s oldest cultures.Desktop Version

World Lion Day — Lions are known as "the king of the jungle," but on World Lion Day, let"s set the record straight: Lions don"t live in the jungle. Lions lounge in lordly leisure and hunt with ferocious focus on grasslands and plains. When they"re not hunting, these majestic creatures nap, wrestle, and groom each other. But in an instant, they"re chasing down a hapless gazelle or a hippopotamus that"s wandered too far from the safety of its river. Like the opening song of "The Lion King" movie says, it"s the circle of life. World Lion Day is our opportunity to (ahem) lionize these regal beasts and raise awareness of threats to their well-being like poaching, habitat destruction, and other human-lion conflicts.Desktop Version

Edinburgh Art Festival — It might look futuristic, but this stunning pool was created a few years ago at the Jupiter Artland sculpture garden near Edinburgh, for the Scottish city"s annual art festival. Nearly 30 feet wide, "Gateway" is both a landscape sculpture and a functioning swimming pool. It was made by the artist Joana Vasconcelos from over 11,000 hand-painted tiles, produced in a traditional ceramic workshop in Portugal.Desktop Version

World Elephant Day — These giants are the largest land animals on Earth, African bush elephants, which can reach 13 feet in shoulder height and weigh as much as 11 tons. They are one of three living species of elephant, alongside their smaller relatives, the African forest elephant and the Asian elephant. Their immense size is not the only incredible thing about them. Studies suggest that elephants can recognize themselves in the mirror and that these mammals display emotions such as grief when they lose family members. World Elephant Day—held on August 12—was set up to admire them but also to highlight the difficulties they face. Amboseli National Park in Kenya—where this photograph was taken—is one of the few remaining habitats where African elephant herds can still be found in large numbers.Desktop Version

Perseid meteor shower over Oregon — What must our ancestors have thought when they saw meteors light up the night sky? Was it terrifying or an event of wonder? Thankfully, we now know that this celestial cascade is a harmless annual event. The Perseid meteor shower thrills stargazers from mid-July to late August and is due to peak today. The Perseids are caused by Earth passing through debris left behind by the Comet Swift-Tuttle. When the cosmic debris hits our atmosphere, it disintegrates in a colorful, fiery light display. It"s a good night to catch the Perseids if you can—the moon is projected to only be 10% illuminated, so the meteors should really stand out against the dark sky.Desktop Version

World Lizard Day — When trying to draw attention to World Lizard Day, you don"t want to lead off with a scary Gila monster or monitor lizard. Nope, what you want front and center is a cute little gecko like the one we see here. Geckos come in varying sizes across 1,500 species and are unique among lizards for their vocalizations for mating, distress, and social interactions.Desktop Version

Piazza IX Aprile, Taormina, Sicily, Italy — Welcome to Taormina, an historic Italian resort built into a hillside high above the Ionian Sea on the coast of Sicily. From here you can take in panoramic views of the coast of Calabria, on the Italian mainland, the city of Syracuse, and Mount Etna, roughly 20 miles away.Desktop Version

Overseas Highway, Florida Keys — Once upon a time, there lived a wealthy industrialist, Henry Flagler, who embarked on the herculean task of creating an overseas railway connecting mainland Florida to Key West. When it opened in 1912, it was dubbed the Eighth Wonder of the World. However, the triumph was short-lived. It was hit by a hurricane on Labor Day, 1935 and the railroad discontinued operations. The railway was sold to the US government and rebuilt as an automobile highway, opening in 1938.Desktop Version

Things are looking up — We"re looking at sequoia trees in Sequoia and Kings Canyon National Parks, California—the two parks border each other in the Sierra Nevada range in Central California. These giant sequoias can grow nearly 300 feet tall and some specimens have lived more than 3,000 years. Their longevity—even in areas prone to wildfires—is helped by thick bark that"s full of fire-resistant tannins.Desktop Version

Aug 18, 2023Avatar Mountains, Zhangjiajie National Forest Park, China

These stunning stone spires, rising from the forest in China"s Hunan province, are said to have inspired the floating mountains of the movie "Avatar." There are more than 3,000 of these quartz-sandstone pillars in Zhangjiajie National Forest Park, often swathed in mist, part of a spectacular landscape that has inspired generations of painters. These days, they are popularly known as the "Avatar Mountains" and one, the 3,544-foot-high Southern Sky Pillar, was officially renamed as "Avatar Hallelujah Mountain" in 2010, the year after the blockbuster movie was released.Desktop Version

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