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Infinity Day
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
Castle Stalker, Argyll, Scotland
Castle Stalker, Argyll, Scotland
Perched dramatically on a tidal islet in Loch Laich, Argyll, Castle Stalker is one of Scotland"s most picturesque and well-preserved medieval tower houses. Built around the 1440s by the Stewarts of Appin, its history includes royal visits and even a drunken wager that briefly transferred ownership to Clan Campbell. After falling into disrepair by the 19th century, it was lovingly restored in the mid-20th century and is still privately owned today. Visitors can explore this historic site on selected guided tours during the summer.Desktop Version
Walton Lighthouse, Santa Cruz, California
Walton Lighthouse, Santa Cruz, California
Step to the western edge of America, where the Walton Lighthouse, also known as the Santa Cruz Breakwater Lighthouse, is a beacon for passing ships. Built in 2002, this 40-foot-tall building replaced a more modest light. The Walton Lighthouse got its name from Charles Walton, a businessman who helped fund its construction in memory of his brother Derek, a merchant seaman who died at sea during World War II.Desktop Version
Surströmming Day
Surströmming Day
Get your clothespins ready, it"s Surströmming Day! For the uninitiated, that means we"re in Sweden and cracking open this year"s surströmming harvest to enjoy its putrid wonder. Surströmming is Baltic herring that"s been caught in April and May, then lightly salted and allowed to ferment. Beginning in the 1940s, a royal ordinance forbade the selling of Surströmming before the third Thursday in August to prevent incompletely fermented fish from being sold. The ordinance is no longer on the books, but the tradition holds.Desktop Version
Grand Teton National Park, Wyoming
Grand Teton National Park, Wyoming
Today"s image gives us a glimpse of beautiful Grand Teton National Park, in our least populous state, Wyoming. The park, established in 1929, encompasses lakes, the Snake River, and the Teton Range, famed for its series of sharp, jagged peaks. Bring your binoculars with you, and if it"s summertime, be on the lookout for pronghorn, which travel about 150 miles to get there from Wyoming"s Upper Green River Basin. They aren"t the only creatures to visit seasonally; elk and bison are also summer visitors. These migrations play a vital role in the ecosystem of Grand Teton National Park. The animals help disperse seeds and are also food for predators.Desktop Version
International Lighthouse Weekend
International Lighthouse Weekend
To mark International Lighthouse Weekend, we"re on England"s southwest coast, where Start Point Lighthouse looks out over the turbulent waters of the English Channel. The lighthouse is perched upon a rugged cliff on one of the country"s most exposed peninsulas, which stretches nearly a mile into the sea in the county of Devon. Built in 1836, the elegant lighthouse was designed by civil engineer James Walker in the Gothic style, as seen in its castle-like parapet. It has undergone many changes since then and more accommodation was added in the 1870s, but no lighthouse keepers live there now—it has been automated since 1993.Desktop Version
Things are looking up
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
Horseshoe Bend, Arizona
Horseshoe Bend, Arizona
Grab your boots and gear, today we"re heading to Arizona to hike out to Horseshoe Bend. Known as the "east rim of the Grand Canyon," it"s actually about 140 miles from the other rims and is really more a part of nearby Glen Canyon. Scientifically, the beautiful view exists thanks to something called an "entrenched meander." Around 6 million years ago, the area was closer to sea level. The Colorado River, following the path of least resistance, meandered and became trapped when the Colorado Plateau uplifted around 5 million years ago. Over time, the river water cut through exposed sandstone, forming the thousand-foot-deep, 270-degree horseshoe-shaped bend.Desktop Version
Diamond Beach, Iceland
Diamond Beach, Iceland
From fjords and lava fields to ice caves and black sand beaches, Iceland is a treasure trove of natural wonders. The volcanic black sand of Diamond Beach, pictured in today"s image, sparkles with pieces of iceberg washed ashore from the nearby Jökulsárlón glacier lagoon. The contrast between the clear ice and black sand looks particularly surreal when sunlight hits the ice, making it a must-visit destination on Iceland"s south coast.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
National Pearl Harbor Remembrance Day
National Pearl Harbor Remembrance Day
While most know the US entered World War II after the Japanese bombed Pearl Harbor, fewer know that the battle on December 7, 1941, actually started here on Oahu"s eastern shore at the old Kaneohe Bay Naval Air Station. Now a Marine Corps airfield, the base lies beyond the small, cone-shaped Mokoli"I Island in the background of this image.Desktop Version
World Children s Day
World Children s Day
For World Children"s Day, we"re featuring an aerial view of a larger-than-life painting on the summit of the Moléson in the Swiss Prealps. The 16,000-square-foot fresco is titled "Un Nouveau Souffle" (A New Breath) and depicts a child blowing clouds toward the horizon. It was created by French-Swiss artist Saype—real name Guillaume Legros—who is known for his grassy graffiti around the world. The eco-friendly artist uses biodegradable paints made from natural pigments such as coal and chalk, so by the time you read this, his land art will have already disappeared into the soil.Desktop Version
Porto Timoni beach, Greece
Porto Timoni beach, Greece
Porto Timoni beach, in Corfu, Greece, is a hidden gem reached either by boat, or by hiking from the historic village of Afionas. Those who make the journey are rewarded with two stunning coves, offering a unique double-beach experience. With clear turquoise waters and dramatic cliffs, Porto Timoni presents a picturesque coastal panorama. Surrounding the beach, lush olive groves and cypress trees add to its charm. Greek islands like Corfu may seem timeless and ancient but they are relatively new in the history of Earth. A leading theory is that around 5.3 million years ago, a great flood poured in between Africa and Europe from the Atlantic Ocean, an event called the Zanclean flood. Lakes became oceans and what were previously mountaintops became islands.Desktop Version
Ruins of St. Dwynwens Church, Ynys Llanddwyn, Wales
Ruins of St. Dwynwens Church, Ynys Llanddwyn, Wales
Ynys Llanddwyn is a tiny tidal island which, at low tide, is attached to the Isle of Anglesey in Wales. Ynys means "island" in Welsh and Llanddwyn means "the church of Dwynwen," the country"s patron saint of lovers.Desktop Version
First day of autumn
First day of autumn
There"s a chance this dazzling, ground-up view of fall foliage is not where you think it is. While New England garners most of the leaf-peeping attention in the US this time of year, the high country of Colorado puts on a spectacular show out West. The aspens of the Centennial State turn shades of gold and orange in autumn, which officially starts today. Fall typically marks the end of vacations, the beginning of school, the arrival of chilly nights, and, if you"re lucky, a display of leaves turned brilliant shades of gold and red.Desktop Version
Pi Day
Pi Day
Today we"re observing Pi Day with a bird"s-eye view of the hedge maze at Cyherbia Botanical Park near Ayia Napa in Cyprus. It"s the day we celebrate the mathematical constant π. Today"s date, March 14, was chosen because when expressed numerically, it matches the first three digits of pi: 3.14. You remember pi from geometry class—it"s the ratio of the distance around a circle to the distance across it. Pi is used to compute a circle"s area and circumference. The circular labyrinth at the Cyherbia Botanical Park brings the ratio to life and is a must-visit for people who love to solve puzzles. If you"re ready for a challenge, give it a go.Desktop Version
Poinsettia Day
Poinsettia Day
It"s been almost 200 years since poinsettias were first brought to the US from their native Mexico, where the Aztecs used the leaves to make dye and the sap to treat fevers. American botanist and government representative Joel Roberts Poinsett introduced the scarlet foliage to the U.S. in 1828. Flash forward to the 1960s, when a breeding program resulted in hardier, fuller plants and many variations. The booming poinsettia wholesale trade in the US brings in a whopping $250 million a year. The House of designated December 12 as Poinsettia Day in 2002. Poinsettias are the top-selling potted plant in the US and Canada, brightening holiday tables every December.Desktop Version
The globe skimmers return
The globe skimmers return
This time of year, millions of dragonflies are returning to the Maldives, a stage in the longest insect migration in the world. Flying thousands of miles across the open ocean, these dragonflies are known as globe skimmers, which refers to their migratory behavior. Until about 20 years ago, no one knew where they came from. But researchers have since discovered that the dragonflies take advantage of moving weather systems and monsoon rains to make their epic migration across the Arabian Sea from India. From the Maldives, the dragonflies will continue their journey, passing through the Seychelles and then on to East Africa.Desktop Version
Playa del Silencio, Spain
Playa del Silencio, Spain
Spain"s Asturias region, known for its greenery, artistic legacy, and excellent food, has many hidden gems. Our homepage image shows Playa del Silencio, or Beach of Silence, a shell-shaped cove with a natural rock amphitheater. Far away from urban areas and noisy crowds, the beach enjoys a sense of isolation and solitude. Rugged cliffs surround golden sands perfect for soaking up its peaceful vibes, while nearby caves and water activities provide exciting adventures for those who crave them.Desktop Version
Valentines Day
Valentines Day
Love is in the air as Valentine"s Day arrives! These red-crowned cranes, seen in the reed marshes and frozen lakes of Hokkaido Island, Japan, know how to turn on the charm. The graceful birds call in unison and bow to each other as part of their captivating mating dance. Once a mate is chosen, the pair develop a lifelong bond, a trait that has helped make them a symbol of longevity, fidelity, and good fortune in Japanese culture. These gentle creatures were also the inspiration for the traditional origami crane. According to legend, folding a thousand cranes can grant wishes.Desktop Version
April Fools Day
April Fools Day
In honor of April Fools" Day, take a moment to appreciate this trick of the eye created by the French street artist and photographer who goes by the name JR. He"s known for surreptitiously posting large black-and-white photographs in public locations, often in humorous contexts. This cheeky public-art piece from 2021 was installed in the desert sands of the Giza pyramid complex in Egypt. The installation makes it look as if the detached tip of the Pyramid of Khafre magically hovers above its base.Desktop Version
Siblings Day
Siblings Day
Make the most of this family photo—caracals tend to go solo as adults, so these cute cubs will hang out together only until they"ve honed their hunting skills from watching mom. In the meantime, we think they make ideal mascots for Siblings Day, celebrated in the US and Canada on April 10.Desktop Version
Belize Barrier Reef
Belize Barrier Reef
One of the greatest marvels of the marine world, the Belize Barrier Reef runs 190 miles along the Central American country"s Caribbean coast. It"s part of the larger Mesoamerican Barrier Reef System that stretches from Mexico"s Yucatan Peninsula to Honduras and is the second-largest reef in the world behind the Great Barrier Reef in Australia. Declared a UNESCO World Heritage Site in 1996, the Belize Barrier Reef has remained relatively healthy even as many of the planet"s reefs are threatened by climate change.Desktop Version
National Pearl Harbor Remembrance Day
National Pearl Harbor Remembrance Day
On the morning of December 7, 1941, American history changed forever when a surprise attack was launched on the US Naval base at Pearl Harbor, Hawaii. Japanese bombers and submarines struck the island of Oahu, taking the lives of 2,403 Americans and damaging or destroying over 300 airplanes and nearly 20% of the 100-ship Pacific Fleet. The United States entered World War II immediately after the attack, and the event hastened Hawaii"s path to become the 50th state to join the union. As 82 years have passed, few veterans of Pearl Harbor are still alive today. Lou Conter, the last surviving crew member of the USS Arizona, its memorial seen here, turned 102 in September. So, thank you to Lou, and all others who served our country on that infamous day.Desktop Version
Atlantic puffin, Iceland
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