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Lake Tekapo, New Zealand
Lake Tekapo, New Zealand
Here on New Zealand"s rugged South Island, the waters of Lake Tekapo display such striking electric-blue colors because of glacial silt flowing into the lake, carried by the braided Godley and Macauley Rivers, seen at the bottom of our image. These rivers are themselves fed by the melted waters of glaciers in the nearby Southern Alps. As these active glaciers slowly bulldoze the mountainsides, they pulverize rocks along valley floors and walls. All that grinding eventually produces a fine-grained powder of silt, sometimes called glacial flour. Meltwater picks up the silt, carrying it downstream and into lakes like Tekapo. The particles are so light and fine, they"re slow to sink to the bottom, remaining suspended in the water column instead.Desktop Version
Venice s grand regatta
Venice s grand regatta
Every year, on the first Sunday of September, Venice celebrates the Regata Storica along the city"s most famous canal. The event is the highlight of the Venetian rowing calendar and consists of two parts: a historical boat parade and a series of rowing races. Festivities begin with a regal water pageant comprising a flotilla of colorful boats from the 16th century. Gondoliers are dressed in period costume as they ferry high-ranking Venetian officials up the Grand Canal in a faithful recreation of Venice"s storied maritime past. The regatta commemorates the welcome given in 1489 to Caterina Cornaro, the wife of the King of Cyprus, who renounced her throne in favor of Venice.Desktop Version
Behold the blood moon
Behold the blood moon
We"ve heard the phrase "many moons," but never took it this literally. We"re looking at 28 merged photos of our one and only moon over Utah"s Monument Valley: 26 snapshots of its partial phases, plus two layered exposures of the eclipsing moon at center.Desktop Version
Finding a balance between wetlands and water treatment
Finding a balance between wetlands and water treatment
Take a stroll through the Wakodahatchee Wetlands and you"ll likely spot great blue herons, like the fluffed-up pair we"re featuring today. Located in Delray Beach, Florida, and created on 50 acres of wastewater utility property, the park first opened to the public back in 1996. A three-quarter-mile boardwalk takes visitors over ponds and through marshes, offering the chance to see more than 150 bird species, plus turtles, fish, frogs, alligators, and other Floridian fauna. Every day, the Palm Beach County Water Utilities Department pumps about 2 million gallons of highly treated wastewater into the wetlands. Then algae and other plants naturally finish the purification process before the water seeps back into the water table. Quite an upgrade from a yucky wastewater pond.Desktop Version
A cutting-edge art gallery opens in Paris
A cutting-edge art gallery opens in Paris
Fine art has found a new canvas here in Paris, where L’Atelier des Lumières opened in April as the city’s first digital art museum. The venue, housed in a 19th-century foundry, uses 140 digital projectors to splash paintings high onto the walls and across the floors, allowing visitors to walk through, over, and into some of the world’s most famous pieces of art. L’Atelier des Lumières opened with an exhibit featuring works by Gustav Klimt, the prominent Austrian painter best known for ‘The Kiss,’ a portrait of a couple locked in an intimate embrace. Klimt was known for incorporating silver and gold leaf into his art nouveau-style oil paintings, creating an ethereal effect.Desktop Version
Goðafoss waterfall, Iceland
Goðafoss waterfall, Iceland
Goðafoss is one of the hundreds of show-stopping waterfalls Iceland is blessed with. And though it isn"t the island"s highest waterfall—that would be Morsarfoss at over 787 feet—or most powerful (the thundering Dettifoss), Goðafoss, has, within its swirling waters, its own story to tell.Desktop Version
Two rocks and a heart spot
Two rocks and a heart spot
If you really want to earn someone"s affections, fly them to Corsica, rent a car, and take a drive on the only road that cuts through the red volcanic rocks of Calanques de Piana. Some call the naturally occurring rock formation in today"s Valentine"s Day photo "the two lovers," while others call it "the heart of Corsica." (Spot the heart?) Like most affairs of the heart, the path to this geological valentine is circuitous—it"s a winding road, sometimes too narrow to share with oncoming vehicles (the occasional pullovers help). Our vantage point may be a good spot for you to pull over, especially if it"s sunset, to see the rocks aglow as the sun creeps west toward the horizon.Desktop Version
Take a hike near Lovers Lane
Take a hike near Lovers Lane
For those of you who love getting outside, you"re in luck! Today is Take a Hike Day, an activity the American Hiking Society says will make you happier as you enjoy the great outdoors. And what better way to take a hike than a walk near Lovers" Lane in San Francisco"s Presidio? The sinuous trail we see in today"s photo is called "Wood Line" and was designed by the environmental artist Andy Goldsworthy. By using felled eucalyptus trees, Goldsworthy intended this land art to eventually biodegrade and fade back into the forest floor. It"s one of four of his works within this national park that once served as a US military outpost.Desktop Version
A night on the (ghost) town
A night on the (ghost) town
The spooky scene here might look like a place you"d want to avoid, but it"s not likely to scare you—not too much anyway. It"s the Fort Rock Valley Historical Homestead Museum in central Oregon, a collection of abandoned homestead-era buildings from the area. In the late 19th and early 20th centuries, people acquired federal lands around here for farms and ranches via the Homestead Acts. But most left within a few years due to the hot, dry summers and extremely cold winters. Today, the buildings are assembled as a ghost town and contain items from that period, including furniture, dishes, and tools. There"s also a nearby cemetery which, according to local lore, is haunted by the ghost of rancher and author Reub Long riding his horse.Desktop Version
One for the books
One for the books
Today is the kickoff to the 20th Library of Congress National Book Festival, and for the first time it will be held entirely online. Nearly 120 authors, including Colson Whitehead, John Grisham, Ann Patchett, Walter Mosley, and Tomi Adeyemi, will appear on virtual stages to discuss the written word from September 25-27.Desktop Version
Looking back at Yellowstone, 30 years after the fires
Looking back at Yellowstone, 30 years after the fires
Nature’s resiliency is on full display here at Yellowstone National Park, where new growth has emerged among the trees charred by the massive 1988 wildfires. More than 1 million acres in the greater Yellowstone area were affected by the blazes that summer, scarring 36 percent of the park. Today marks the 30-year anniversary of Black Saturday, a day when the park saw some of the worst damage, with smoke and ash blackening the skies. But when cool, moist weather brought an end to the devastating fires in late autumn, the ecosystem immediately began to recover. Fire has long been part of the complex ecosystem at Yellowstone and many species have even adapted to rely on fire to open up the canopy, spread seeds, and diversify the habitat.Desktop Version
What are we looking at?
What are we looking at?
On National Poinsettia Day we"re taking an up-close look at a poinsettia leaf. Although many people assume the red, white, pink, purple, or marbled colors are flowers, they"re actually bracts, a type of leaf that aids in reproduction, usually by turning color as the plant develops true flowers. On the poinsettia, the bracts, surrounding small yellow clustered buds called cyathia, flag down pollinators just as flower petals do.Desktop Version
Mountain mists over Bavaria
Mountain mists over Bavaria
In modern German, the word for this month is "November." But an older German name was "Nebel-mond," which translates as "fog month" in English—it"s the time of the year when fog is most likely to roll in. In some parts of the world the topography and local climate make fog a regular feature of the weather, especially during certain times of the year. That’s called "fog season." San Francisco has a fog season. Tampa, Florida, does too. Is there a fog season where you live?Desktop Version
Up in the Highlands
Up in the Highlands
There"s a good chance the occupants of that car you can see in this photo, winding along a remote highway in the Highlands of Iceland, won"t encounter any other visitors to this desolate region. Accessible only during the summertime, roads across the Icelandic Highlands pass through mostly uninhabited volcanic desert. Frequent volcanic activity in the area creates a porous topsoil full of chemical compounds that aren"t conducive to plant growth. Besides, much of the rainfall is quickly absorbed so plant life only appears alongside glacial rivers. Despite this seemingly unwelcoming environment, adventurous travelers come to the Highlands every summer to see firsthand an ecosystem so unearthly that NASA conducted training missions here for some of its Apollo astronauts.Desktop Version
Working for that cliffside view
Working for that cliffside view
Maine"s Acadia National Park serves up spectacular views at most every turn. But the park"s Otter Cliffs on Mount Desert Island offer the adventurous among us a chance to take in the picturesque Atlantic shoreline from the edge of a sheer granite wall. Rising some 60 feet above the crashing waves below, the cliffs are shown here at low tide—when the tide is up, that ledge at the bottom is completely submerged.Desktop Version
Let’s talk fossils
Let’s talk fossils
Was there a time in your childhood when you told your parents, ‘I want to study dinosaurs when I grow up!’? On National Fossil Day, we encourage you to channel that childhood curiosity. The event, a celebration of paleontology, often includes events at local museums, parks, and schools. Participants may get to see amazing remnants of the past, such as the dinosaur tracks on our homepage, which were photographed near Tuba City, Arizona, in the Navajo Nation.Desktop Version
Gazing upon Portraits of Change
Gazing upon Portraits of Change
For the start of Women"s History Month, we"ve come to Union Station in Washington, DC, to view a mosaic of historical photographs of thousands of American women who fought to win voting rights. The ratification of the 19th Amendment, on August 18, 1920, finally secured the legal right of women to vote, but this mainly benefited white women. Despite heroic contributions to achieve suffrage, Black, Indigenous, and other women of color continued to face barriers to voting in the form of poll taxes, restrictive local laws, and hostile intimidation. This mosaic, called "Our Story: Portraits of Change," attempts to show a more complex history of the fight for American women"s right to vote.Desktop Version
A circular celebration
A circular celebration
It"s Pi Day, the day we celebrate the mathematical constant π. This day was chosen because today"s date, March 14, expressed numerically, matches the number"s first digits, 3.14. Pi represents the ratio of a circle"s circumference to its diameter. It can be used to compute the area and circumference of a circle, such as the circles that make up this bridge we"re looking at here in Copenhagen. (Who said math wasn"t useful in the real world?) Many people mark the day with activities based around mathematics—and most also serve pie. We can"t think of a more delicious way to study geometry.Desktop Version
Art in the chapel
Art in the chapel
You have until Oct 31 to get to Governors Island in New York Harbor to see artist Jacob Hashimoto’s installation ‘The Eclipse.’ The Colorado native built this room-filling artwork out of rice-paper and bamboo kites, stringing the delicate pieces across the ceiling of the Chapel of St. Cornelius. ‘The Eclipse’ is accompanied by another of the artist’s works, ‘Never Comes Tomorrow,’ which is on display in Liggett Hall Archway, also on the island.Desktop Version
An island hopper s paradise
An island hopper s paradise
Welcome to sunny and sultry Seychelles, a tropical island nation just south of the equator in the Indian Ocean, roughly 900 miles off the eastern coast of Africa. The gorgeous beach you see here is Anse Source d"Argent on the island of La Digue, one of 115 islands that make up this tropical republic. Anse Source d"Argent has long been a favorite of photographers, who are drawn to its contoured, dark granite boulders, pristine white sand, and turquoise-colored water. Beachcombers and sun worshippers also flock to the Seychelles because of their consistently great weather—daily high temperatures almost always stay within a comfortable range of between 75 and 90 degrees Fahrenheit all year round.Desktop Version
Super sandy Sweet 16
Super sandy Sweet 16
We"re in the Rockies of southern Colorado to celebrate Great Sand Dunes National Park and Preserve"s 16th year as a full-fledged national park—though it was a national monument from 1932, and both the dunes themselves and the surrounding valley"s history are far more ancient.Desktop Version
Just a couple of yellow-billed hornbills
Just a couple of yellow-billed hornbills
Southern yellow-billed hornbills live in the dry savannas of southern Africa. These two were photographed in South Africa"s Kruger National Park, one of the largest nature preserves on the continent. While hornbills tend to live and hunt alone, they do mate for life, maintaining a monogamous relationship year after year. And with a lifespan of 20 years in captivity, it"s entirely possible that there are some yellow-billed hornbill grandparents out there. Why do we mention that? Because we"re celebrating National Grandparents Day in the US today!Desktop Version
For the love of bikes
For the love of bikes
In honor of World Bicycle Day, we share a bird"s-eye view from Utah of two mountain bikers riding on the Shafer Trail switchbacks of White Rim Road in Canyonlands National Park. In 2018, the UN officially recognized "the uniqueness, longevity and versatility of the Bicycle, which has been in use for two centuries, and that it is a simple, affordable, reliable, clean and environmentally fit sustainable means of transportation."Desktop Version
It s time for spring
It s time for spring
This 40-foot sundial stands atop the Parnidis Dune, one of the scenic highlights of the Curonian Spit, a UNESCO World Heritage Site shared by Lithuania and Russia. Built in 1995, the sundial was damaged by a hurricane a few years later and rebuilt in 2011. It accurately tells time by creating shadows on the steps, with notches for hours and half hours, as well as months, equinoxes, and solstices.Desktop Version
‘Hello’ from zero degrees longitude
‘Hello’ from zero degrees longitude
This laser projected from the Royal Observatory at Greenwich, in London, England, marks the prime meridian, dividing Earth’s Eastern and Western Hemispheres and helping travelers to chart their courses by establishing a universally adopted 0 degrees longitude. The meridian itself is essentially an imaginary line, arbitrarily placed. By the early 19th century, most maritime countries had established their own prime meridians to aid in navigation. But on this date in 1884, delegates from 25 nations met at a conference in Washington, DC, where they established Greenwich as the international standard for mapping and timekeeping. The decision made sense, as the Greenwich meridian was already widely used. But there was one holdout: France abstained from the vote and used its own prime meridian for several decades before eventually joining other countries in recognizing the Greenwich meridian.Desktop Version