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Happy Pi Day!
Happy Pi Day!
They say the only constant in life is change. In mathematics, however, there are many constants and today, we"re celebrating perhaps the most famous of them all: pi. This tasty-sounding constant is the ratio of a circle"s circumference to its diameter, approximately 3.14159. Every March 14, mathematics fans across the world get baking to mark Pi Day—a celebration of both the mathematical constant π and its delicious homophone, pie. It began in 1988, when physicist Larry Shaw connected the date (3/14) with the first three digits of this constant. Today, mathematicians and enthusiasts celebrate Pi Day with pie eating and pi reciting. Did you know that when your clock strikes 1:59 today, you will be three decimal places closer to the real value of pi? Pi is everywhere, even in nature. Pictured here is a bodhi tree in the shape of the pi symbol at Wat Phra Ngam, a temple in Ayutthaya, Thailand. Whether you"re a math geek or just in it for the treats, Pi Day is for everyone to enjoy!Desktop Version
Museum Night in Berlin
Museum Night in Berlin
As the summer is fading away, we find ourselves reminiscing about vacations and long hours of lively evenings. But let"s not bury the picnic days just yet! There is plenty to look forward to, especially if you are in Berlin. The Long Night of Museums only happens once a year—on the last Saturday of August since 1997—but it shakes up Museum Island and the rest of the German capital. The event series is more than a peaceful appreciation of artifacts—quite the opposite—you can expect music, talks, workshops, cocktails, dance, and more from 6 PM into the small hours of the morning. Featured in today"s image, Museum Island—embraced by the Spree River—is listed as a UNESCO World Heritage Site, and it is home to a museum quintet: Altes, Bode, Pergamon, and Neues Museums, and Alte Nationalgalerie.Desktop Version
Colourful houses of Las Palmas de Gran Canaria, Spain
Colourful houses of Las Palmas de Gran Canaria, Spain
If you"re eager to explore faraway landscapes this summer, let us take you to Las Palmas de Gran Canaria. This vibrant city is one of the capitals and the most populous city in the Canary Islands, an archipelago belonging to Spain. Located on the northeastern coast of the island of Gran Canaria, Las Palmas is home to over 380,000 people and serves as a major port and commercial hub in the Atlantic. The city"s distinctive palette of painted buildings—seen here from above—adds striking colour to neighbourhoods like Risco de San Juan, where homes are built into the hillsides. Founded in 1478, Las Palmas has a layered history shaped by Spanish colonisation, maritime trade and migration. Today, it is known for its subtropical desert climate—with average temperatures ranging from 15°C in winter to 27°C in summer—and for Las Canteras Beach, one of the best urban beaches in Europe.Desktop Version
Fish River Canyon, Namibia
Fish River Canyon, Namibia
Whether it"s the world"s oldest desert, the Namib or the Quiver Tree Forest, Namibia in Southern Africa is home to some truly great tourist destinations. The longest river in the country—the Fish River—has carved out the continent"s largest canyon over millions of years. Winding through weathered layers of gneiss and dolomite rocks, the Fish River Canyon is around 100 miles long and about 549 metres deep. This popular site attracts adventure seekers with its hiking trail, which runs for over 50 miles, and the Fish River Canyon Ultra Marathon. Moreover, with Hartmann"s mountain zebras, klipspringers and Eastern rock elephant shrews, the canyon is teeming with creatures big and small. So, whether you are there for hiking, trekking, camping or just soaking in the scenery, one thing"s for sure: Fish River Canyon is a catch you won"t soon forget.Desktop Version
The dog days of summer
The dog days of summer
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Castle in the sky
Castle in the sky
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International Talk Like a Pirate Day
International Talk Like a Pirate Day
Ahoy, mateys, it is International Talk Like a Pirate Day. Today, landlubbers and seafarers alike put on their tricorn hats and hoist the Jolly Roger. The origin of this holiday goes back to a 1995 joke between two friends, John Baur and Mark Summers. During a racquetball game, one of them exclaimed "Aaarrr!" in response to an injury, and the concept of a day dedicated to pirate lingo was born. Initially an inside joke, Talk Like a Pirate Day gained popularity after the duo shared the idea with humourist Dave Barry in 2002, who promoted it in his syndicated column. Since then, it"s become a day of fun and parodic celebration—people don pirate costumes, engage in pirate-themed activities, like the kid on the ship in today"s image, and embrace mock pirate language. Whether ye be a seasoned buccaneer or a greenhorn, today be for all to enjoy. So, batten down the hatches, set sail and remember: on this day, everyone can be a pirate.Desktop Version
Dubrovnik, Croatia
Dubrovnik, Croatia
Though you might instinctively watch out for invading fleets or dragons overhead, you"re more likely to encounter a tourist than a Lannister in the Croatian city of Dubrovnik. As you may know, "Game of Thrones" filmed here frequently throughout the run of the show, and you can scarcely blame them; Dubrovnik"s Old Town is one of the best-preserved medieval cities in the world. For centuries it flourished as the Republic of Ragusa, maintaining independence through diplomacy and robust trade networks. This "Pearl of the Adriatic" has withstood military bombardments and devastating earthquakes, yet the city has always rebuilt and persevered. While pop culture, history, and UNESCO World Heritage Site status are all big draws, they might be too effective: A recent report estimated that in 2019 there were 36 tourists for every resident.Desktop Version
Wasson Peak, Saguaro National Park, Arizona, United States
Wasson Peak, Saguaro National Park, Arizona, United States
Welcome to Saguaro National Park in Arizona, United States. Today"s image features a rainbow over Wasson Peak, which is the tallest point in the Tucson Mountains at more than 1,400 metres. Hikers can reach the summit via trails like King Canyon, Hugh Norris or Sweetwater, all winding through towering saguaros, prickly pear cacti and desert wildflowers. At the top of the park, the Tucson Basin, Santa Catalina and Rincon Mountains stretch into the horizon, making the climb worth every step. Named after John Wasson, a 19th-century American journalist, the peak also holds traces of the Hohokam people and Arizona"s mining past, including the Gould Mine. Whether you"re here for the views, history, or challenge, Wasson Peak is a true desert adventure—just don"t underestimate the Arizona sun!Desktop Version
Tufa formation on Mono Lake, California, United States
Tufa formation on Mono Lake, California, United States
Shaped by the slow passage of time, tufa—a type of porous limestone—emerges as one of nature"s most spectacular formations. While these towers can be found in many places, today"s image showcases them at Mono Lake in Mono County, California, United States. These structures develop when calcium-rich fresh water, flowing into the lake from several creeks and streams, mixes with the lake"s alkaline water. Over centuries, this interaction caused calcium carbonate to build up, forming tufa spires above the lake"s surface. To preserve the tufa towers, the Mono Lake Tufa State Natural Reserve was established in 1981 by the California State Legislature.Desktop Version
Lei Day
Lei Day
As the first day of May dawns upon Hawaii, Lei Day bursts forth in a riot of colour, fragrance and festivity. Leis are garlands crafted from various flowers, leaves and even shells, carrying significant cultural importance for the natives of the island state. Leis were brought by the Polynesians as they migrated eastward through the Pacific Islands before reaching Hawaii between 1000 and 1200 CE. They represent love, respect and the ever-present aloha spirit, described as "the coordination of mind and heart within each person." Lei Day is an all-day fiesta that includes parades, pageants, lei-making contests, hula dances and feasts.Desktop Version
Orosei, Sardinia, Italy
Orosei, Sardinia, Italy
We are in Cala Luna, a jewel in the crown of the Gulf of Orosei in eastern Sardinia, Italy, on the Tyrrhenian Sea. This beach is known for its limestone cliffs, where nature has carved out caves that open directly onto the sea. Orosei, a town of about 7,000 residents in the Baronie region, is nestled in the Cedrino Valley just over a mile and a half from the sea. Its economy thrives on agriculture, marble quarrying and tourism. This enchanting locale blends mountainous charm with pristine coastal beauty—the nearby Gulf of Orosei and the Gennargentu massif form a protected regional park. The coastline stretches 20 miles, featuring a mix of white sandy beaches and rocky cliffs, vibrant by day and lively on summer nights. Every May, the town celebrates the festivals of Sant"Isidoro and Santa Maria "e Mare with traditional processions. During the festivities, the local flavours shine—especially in seadas, a special dessert sprinkled with golden strawberry-tree honey.Desktop Version
Living rock
Living rock
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Waterborne wizardry
Waterborne wizardry
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Bisti/De-Na-Zin Wilderness, New Mexico, USA
Bisti/De-Na-Zin Wilderness, New Mexico, USA
Time is the great transformer, changing the world and all of us. For instance, this badland in New Mexico, United States—the Bisti/De-Na-Zin Wilderness—was once a lush, tropical forest. Nearly 70 million years ago, instead of twisted terrains and towering spires, this place was home to an array of Late Cretaceous dinosaurs, including armoured ankylosaurs, duck-billed hadrosaurs and mighty Tyrannosaurs. Today, the area is filled with wonders of a different kind, rock formations that look more like sculptures than natural phenomena. Bisti/De-Na-Zin is named after Navajo words: Bisti means "among the adobe formations," and De-Na-Zin comes from nearby rock carvings of a "standing crane." Visitors to the Four Corners region shouldn"t miss out on this otherworldly landscape of shale and sandstone.Desktop Version
International Whale Shark Day
International Whale Shark Day
Say hello to the largest fish in the world, the whale shark. On August 30, we celebrate International Whale Shark Day to honor these magnificent marine creatures. These gentle giants are not related to whales, despite their impressive size—they can reach up to 40 feet in length. Whale sharks are calm creatures which are usually safe for divers to swim alongside. These sharks are filter feeders and consume plankton and small fish by sieving them through their gill plates. There has been a significant decline in their populations, with an estimated 63% decrease in their numbers in the last 75 years. Threats include being hit by boats or tangled in fishing gear and their habitats are being damaged by pollution, coastal development and over-fishing. Advocates work through education and community engagement to help safeguard whale sharks and preserve our oceans.Desktop Version
Waterfall capital of the world?
Waterfall capital of the world?
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Jeju Island, South Korea
Jeju Island, South Korea
The South Korean island of Jeju is full of wonders. If you don"t have a chance to visit its volcanic landscape, ancient stone statues, waterfalls, and rocky coastline, you can dive into the island"s fascinating chronicles from the comfort of your computer. The star of today"s image, Seongsan Ilchulbong (Sunrise Peak), is the island"s rare tuff cone formation, created by an underwater volcanic eruption about 5,000 years ago. Tuff cones are also called ash cones, referring to the accumulated ash settling in a cone formation after the lava"s forceful explosion. Seongsan Ilchulbong was added to the UNESCO World Natural Heritage List in 2007.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 worked 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
International Rock Day
International Rock Day
Are you ready to make some noise? It"s International Rock Day! Wait, not that sort of rock. Today, we"re all about granite, limestone and slate. There are three types of rock: igneous are formed from solidified magma and lava; sedimentary rocks are layers of sedimentary particles such as sand; and metamorphic rocks are the result of heat and pressure on other kinds of rock.Desktop Version
Saint Patricks Day
Saint Patricks Day
Millions of people with Irish heritage across the globe today celebrate Saint Patrick"s Day. The country"s patron saint introduced Christianity to Ireland around 432 CE, and his passing on March 17, 461 CE, became a day of commemoration in his homeland. While the holiday is steeped in Irish tradition, the festivities have taken on a global flair. The celebration typically includes parades, traditional Irish music and dance performances and indulging in Irish cuisine and beverages. Moreover, wearing green is a fun nod to the Emerald Isle. So, have you pinned a shamrock to your jacket yet?Desktop Version
The Old Bridge, reborn
The Old Bridge, reborn
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Lavender fields in Plateau de Valensole, France
Lavender fields in Plateau de Valensole, France
If you"re looking for a scent-sational summer trip, follow your nose to the Plateau de Valensole in Provence, France. From late June to mid-July, this high plateau transforms into a purple sea of lavender. Situated at 590 metres above sea level and spanning approximately 300 square miles, it is one of the largest areas in France dedicated to lavender cultivation.Desktop Version
Methow Valley, North Cascades, Washington, USA
Methow Valley, North Cascades, Washington, USA
If you"re looking for meadows blanketed with vibrant beds of wildflowers, the Methow Valley in the North Cascade Mountains, Washington, is the place for you. Lupines, with their characteristic spiky blooms in purple, blue and white and balsamroot, with its large, golden-yellow flowers, create a picturesque contrast with the rugged mountain backdrop. These flowers also play crucial roles in the valley"s ecosystem. Lupines are nitrogen-fixing plants; they help improve soil fertility by converting atmospheric nitrogen into a form that can be used by neighbouring plants. Balsamroot, on the other hand, attracts pollinators like bees and butterflies, which helps in plant reproduction and, in turn, contributes to the biodiversity of the region. Whether you"re a seasoned botanist or nature enthusiast, the wildflowers of the Methow Valley will surely leave a lasting impression of the enchanting wilderness.Desktop Version
Holding back the tide
Holding back the tide
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