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Mar 29, 2021Rising up from the black sand like rock gods

Any visitor to Iceland knows that driving the Ring Road rewards the traveler with incredible changing landscapes. Today, we"re taking a quick detour to visit this chiseled stretch of Iceland"s southern coast, where black sand beaches meet spiky basalt sea stacks. This is Reynisfjara Beach, widely considered the most beautiful example of Iceland"s black sand beaches. The sea stacks fronting the beach are known as Reynisdrangar and were formed when a volcano erupted, spewing flowing lava that cooled into these formations. Ask the locals how they formed, however, and you may get a different story, one involving trolls and a battle with a three-masted ship.Desktop Version

Jul 24, 2021Can you see the family resemblance?

In honor of Cousins Day, we"re hanging out on a limb with these four Javan tree frogs in Indonesia. Tree frogs are smaller than your average terrestrial frogs because they spend the majority of their lives perched in trees, and their weight must be fully supported by twigs and leaves. At the rounded ends of their froggy fingers and toes are disc-shaped adhesive pads that help them to maneuver about on trees. While most tree frogs (there are 800 species all over the world!) are green, brown, or gray, these Javans are bright and colorful. This is so they can blend into their jungle environs and avoid notice by predators such as snakes, spiders, bats, and owls.Desktop Version

Mar 4, 2021The most wonderful day of the year. Period.

Er, comma—at least it seems like that"s what we"re seeing. And just like a comma breaks up a sentence, this structure called a breakwater interrupts the Pacific Ocean, punctuating waves with a crash before they can disturb this Bali beach. Whether its resemblance to a comma (or is that an apostrophe?) was intentional or not, it"s a fine visual for today"s syntactical celebration. That"s correct: It"s Grammar Day! (Note to hardline grammarians: We know punctuation—like a comma—isn"t exactly grammar, but we"re loosening the linguistical reins a bit in the generous spirit of Grammar Day. So put that red pen down, smarty-pants.)Desktop Version

Dec 10, 2021Arctic fox in Norway

We"re visiting Norway"s Dovrefjell–Sunndalsfjella National Park, where this small but mighty Arctic fox is undergoing changes to prepare for the cold, Nordic winter. While animals have many ways to adapt to winter weather, such as migrating, hibernating, and growing thick fur, the Arctic fox does none of these. Instead, its coat transitions from brown and gray to a snowy white every autumn. The fox"s pelt acts as camouflage, allowing it to blend in among the rocks and tundra for half of the year and, after turning white, hide in the snow and ice the other half.Desktop Version

Jun 1, 2020The largest living organism on Earth

Today marks the second-ever World Reef Day, an observance created to help focus global attention on the deteriorating health of our planet"s vital reef systems, and also to help marshal efforts to help them recover. Why should we care about the health of ecosystems such as the Great Barrier Reef, seen in this photo? Because reefs are an easy indicator of how healthy our oceans are. And right now, reefs aren"t doing too well. What can we do? Learn about reefs—not just the dangers that put healthy reefs at risk, but why reefs are such a critical part of Earth"s greater ecosystems.Desktop Version

Dec 24, 2020Hey, don t you guys have somewhere to be?

Known in North America as caribou, reindeer are built to live in freezing Arctic regions like northern Norway, where this herd was photographed under the transfixing swirl of the aurora borealis, or northern lights. Reindeer have evolved unique features that help them thrive in these harsh environments. Their noses are adapted to warm the air they breathe before it enters their lungs, which helps maintain a steady body temperature even in the coldest of weather. And most of their bodies, including their hooves, are covered with thick, dense fur to keep them well insulated. In fact, they are more likely to overheat then freeze—so when they"re flying through the starry skies tonight, they"ll be feeling snugger than Santa Claus in his red velvet suit.Desktop Version

Jul 7, 2020Mercury in retrograde

Today we"re traveling to outer space to catch a glimpse of the Caloris Basin on the planet Mercury. This small planet—about the size of Earth"s moon—is riddled with craters, but none as spectacular as the Caloris Basin. One of the largest impact craters in the solar system, Caloris is about 950 miles across and ringed by mile-high mountains.Desktop Version

Sep 23, 2020A tree of many memories

As autumn takes hold in China, a blanket of fan-shaped golden leaves—like this one at Xuanwu Lake Park in Nanjing—becomes a familiar sight. And it"s been that way for longer than anyone can remember, thanks to a native tree with a lineage going back eons, the ginkgo.Desktop Version

Feb 5, 2022Monarch butterflies in Angangueo, Mexico

Every year, one of the most spectacular natural phenomena in Mexico takes place in the forested mountains west of Mexico City. During the fall, colonies of monarch butterflies migrate here from colder northern climates to find warmth and begin their breeding season. These huge flying colonies can contain as many as 20 million monarchs, which make use of air currents to travel as far as 100 nautical miles per day. The monarchs remain in Mexico from around November to March.Desktop Version

Sep 28, 2020Explorer of the sea

This blue shark is swimming near the Azores, a Portuguese chain of islands about 850 miles west of mainland Portugal. The inspiration for the shark"s name comes from its back color, which can vary from a light blue to a darker shade. Its slender, tapered body is propelled through the water with agility and grace by a long tail fin that sweeps from side to side. Listed as "near threatened," blue sharks are found off the coast of every continent except for Antarctica, making them the most widely distributed of all sharks. Swift and powerful swimmers, blue sharks migrate long distances. It"s common for them to swim 1,200 to 1,700 miles or even farther, following the clockwise currents of the Gulf Stream in search of food, mates, and "just right" water temperatures.Desktop Version

Oct 31, 2020Twas a night just like tonight

In the late 18th century, a wealthy landowner built an estate in County Antrim in what is now Northern Ireland. To make a scenic but imposing entryway, he had 150 beech trees planted on either side of the road (90 trees survive). The trees grew to form the Dark Hedges—an arboreal tunnel leading up to the property. In the right conditions—say a gloomy autumn night with the moonlight casting shadows through the tree canopy—this road can be a little spooky.Desktop Version

Mar 11, 2021Welcome to the drainpipe of the Pacific

We are standing here on the craggy Oregon coast looking out to Thor"s Well with the help of a photographer"s telephoto lens. Only the most daring of visitors would get this close to the gaping sinkhole at high tide. One misstep combined with a forceful surge from the raging Pacific Ocean, and into the plunging well we"d go.Desktop Version

Aug 22, 2018Summer’s in home stretch

When people talk about the ‘dog days of summer,’ they’re referring to the sultry, hot days of the season that sometimes seem to stretch on forever–just like those long legs on the star of today’s homepage. This is a maned wolf, also known as a ‘fox on stilts,’ and it’s the largest species of canid in South America. As a canid, it belongs to the same family as the domestic dog, wolf, and coyote, and we think it makes a fun spokescritter for summer’s ‘dog days.’Desktop Version

Sep 29, 2019Falling for Rioja

While today"s image of beautiful fall colors in Rioja is serene and peaceful, the people of this area are hard at work harvesting grapes at 14,800 different vineyards across the region. And soon the 600 wineries in this smallest Spanish province will begin the lengthy process to turn this year"s grape harvest into its world-famous Rioja wines. (To get an idea of how tiny La Rioja province is, it makes up just 1 percent of Spain"s land area and only about 0.67 percent of Spain"s population lives here.) While winemaking techniques have evolved and improved over the thousands of years that wine has been made here, each year around this time locals and visitors gather in the region"s capital of Logroño to celebrate the wine harvest and see a traditional example of the first, uh, step of this process—crushing newly harvested grapes by stomping them with bare feet.Desktop Version

Dec 1, 2021Antarctica Day

At just over 600 miles from the tip of South America, Cuverville Island is closer to civilization than most of Antarctica. As such, this small isle off the northward-jutting Antarctic Peninsula is a hotspot for tourists to catch some cool scenery (while freezing their butts off, of course). Visitors can also chill on the rocky beach with the locals: a glut of gentoo penguins whose rookery here is the largest along the peninsula.Desktop Version

Apr 29, 2020Spring comes to 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 soil and weather patterns make it ideal for growing certain crops, especially wheat and lentils. This time of year, when the wheat and barley crops are young, the hills brighten to fresh shades of green.Desktop Version

Oct 23, 2018Of moles and liquid nitrogen

What a coincidence! Three days into National Chemistry Week, we dive further into STEM education to celebrate Mole Day. We’re not toasting the burrowing animal, but the unit of measurement (mole) used primarily in chemistry and molecular science studies. We don’t know how many moles of liquid nitrogen are in this photo, but we do like the dynamic look of the super-cooled element, which in liquid form can resemble boiling water. We hope this photo doesn’t depict liquid nitrogen after somebody in the lab dropped their keys into the vat. At minus 320 degrees Fahrenheit, liquid nitrogen tends to flash-freeze anything immersed in it.Desktop Version

Dec 13, 2021Old Town Quito

If Ecuador"s capital city, Quito, isn"t high enough for you at 9,350 feet above sea level, you can elevate your experience even further with a journey up El Panecillo. Translated from Spanish, "El Panecillo" means "The Dinner Roll." Rising 650 feet above the old city center, seen in the foreground, this rotund volcanic hill offers perhaps the best possible panorama of Quito. Though our viewpoint here, looking south through Quito"s vast valley, makes for a nice twilight shot, too.Desktop Version

Feb 3, 2023Quebec City for Winter Carnival

Among all the pre-Lenten celebrations that take place around the world in February, the most famous are associated with warm-weather cities like Rio and New Orleans, where revelers party in elaborate costumes during the run-up to Ash Wednesday. It"s a different affair in Quebec City, Canada, pictured here, where participants in the Quebec Winter Carnival enjoy all things winter, from snow sculptures to sleigh races. This former frontier outpost, and little sister to Montreal, is known for its spirited embrace of the coldest, darkest season. So, it"s no surprise that its winter festival is the biggest in the Western Hemisphere. Our homepage image shows the grandiose Château Frontenac hotel, which opened in 1893, towering over the city"s historic Old Quebec neighborhood, a UNESCO World Heritage Site.Desktop Version

Sep 25, 2018Walking among the giants

Sequoia National Park was founded on this day in 1890, and while the park’s 128 years is nothing to sneeze at, some trees in the giant sequoia grove had called this home for thousands of years before they were given the protection of a national park. The Giant Forest in Sequoia National Park is where General Sherman, the largest tree in the world, stands. It is estimated to be 2,300 to 2,700 years old—a silent witness to both natural and human history. By the time Spanish explorer Vasco Núñez de Balboa ‘found’ the Pacific Ocean in 1513, General Sherman had been growing for more than 1,500 years.Desktop Version

Mar 3, 2021Climb a tree for wild animals and plants

Today is World Wildlife Day, the annual United Nations celebration of the incredible diversity of our planet"s wild animals and plants. The theme of this year"s WWD is "Forests and Livelihoods: Sustaining People and Planet." Through a series of virtual events, and a panel at UN headquarters, UN representatives and partner wildlife groups will examine the links between the state of our planet"s forests and woodlands and efforts to preserve the millions of livelihoods that directly depend on them. A particular emphasis will be placed on the role of Indigenous peoples who still live and work in forested areas, how they"ve successfully managed their forest ecosystems for centuries, and what that can teach us about sustainability.Desktop Version

Sep 9, 2021Islands of the Salish Sea

The San Juan archipelago is made up of over 400 islands and rocks, some only visible during low tide. They"re scattered across the Salish Sea between Washington state and Vancouver Island, British Columbia. No bridges connect the San Juans to the mainland, but four of the largest islands—San Juan, Orcas, Lopez, and Shaw—are accessible via the Washington State Ferries system. Tourists come to the islands to take in the stunning coastal views, catch a glimpse of resident orcas, and partake in many outdoor activities, such as sea kayaking, biking, and hiking.Desktop Version

Jul 27, 2019Longer days mean warmer sand

Today we’re hitting the beach in Costa Rica’s Cahuita National Park because, well, just take a look at this place. If the sun gets too intense, we might take a stroll into the park’s lowland wet forest where, if we’re lucky, we’ll see sloths, toucans, and howler and capuchin monkeys; or maybe we’ll encounter armadillos, coatis, iguanas, and tamanduas (anteaters). After that, we’ll take a dip in the Caribbean waters offshore to marvel at coral reefs, sea turtles, and hundreds of species of fish.Desktop Version

Dec 30, 2019Sky island views

Though it"s December, it isn"t cold and snowy everywhere in North America. Here, near Tucson, Arizona, the Sonoran Desert stays warm year-round. In this photo, we"re looking at a "sky island"—an isolated, high-elevation woodland surrounded by radically different lowland environments. In this case, the desert land at the base of the mountain is peppered with saguaros—a stately cactus recognized for its long arms. The snow-capped Santa Catalina Mountains in the distance are part of the Madrean Sky Islands and are home to Mount Lemmon Ski Valley, which is the southernmost ski destination in the US. The ski area covers the slopes of Mount Lemmon, which reaches an elevation of about 9,100 feet at the summit and can receive around 180 inches of snow annually.Desktop Version

Apr 27, 2019Aloe in bloom

The bright flowers of these aloe plants offer a striking contrast to their more recognizable green, spiky stems. Native to Africa, Madagascar, and the Arabian Peninsula, aloes—including the well-known aloe vera species—are now grown outdoors in many locations that boast mild winter climates. They can bloom at any time throughout the year. And yes, even indoor potted aloes can be encouraged to bloom with the right amount of sunlight, water, and fertilizer.Desktop Version

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