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Gamboa Crater, Mars
Gamboa Crater, Mars
It would be pretty tough to live on Mars. It"s cold, dry, and the conditions are harsh. The planet"s average temperature is about –81 degrees Fahrenheit, but it can get as low as –243 at the poles. But with many canyons, extinct volcanoes, and ice caps, it"s beautiful to look at from afar. Most photos of the red planet highlight its rusty color, caused by high levels of iron oxide.Desktop Version
An aviation celebration
An aviation celebration
The airborne craft you"re seeing aren"t models—they"re real airplanes hung in a hangar at the Smithsonian"s Udvar-Hazy Center, a National Air and Space Museum branch located next to Dulles International Airport. These retired craft are suspended in the company of notable flying machines from every era, like a Blackbird stealth fighter, a Concorde jet, and the space shuttle Discovery.Desktop Version
Mexico celebrates its Independence Day
Mexico celebrates its Independence Day
September 16 is Independence Day in Mexico, and visitors here in Mexico City can expect fireworks, fiestas, and décor in the colors of the Mexican flag—red, white, and green. In Mexico City, Independence Day festivities begin with a reenactment of the ‘Grito de Dolores’ (Cry of Dolores), an event in 1810 when priest Miguel Hidalgo rang the bell of his church and called for a revolt from Spain. Each year, on the eve of Independence Day, Mexico’s president rings the same bell that Hidalgo rang and delivers a patriotic speech at the National Palace.Desktop Version
Zion National Park Turns 100
Zion National Park Turns 100
It"s been exactly 100 years since President Woodrow Wilson signed legislation that established Zion National Park in southwestern Utah. Fewer than 2,000 people visited back in 1919 due to poor road conditions and lack of trails. These days, the park has the opposite problem—with more than 4 million people coming each year, crowds create long lines for shuttles and clog popular areas such as the Narrows. Part of Zion Canyon, the Narrows can be seen from a paved path. But many people like to experience it up close by hiking in the Virgin River, and it can get crowded at peak times since it"s—as the name implies—narrow.Desktop Version
Mesmerizing murmuration
Mesmerizing murmuration
Around this time of year, as temperatures dip in the Northern Hemisphere, European or common starlings put on a dazzling show. Most of the time, these noisy birds are scorned for their bullying behavior at the bird feeder. But in autumn months, they gather to roost in huge flocks, as they’re doing here in Blackpool, England. At dusk, the starlings take flight en masse and flock together in a hypnotizing, swirling cloud of fluttering wings. These flocks are called mumurations. They"re thought to help keep the birds warm while also acting as a defensive tactic to confuse predators like hawks and falcons. But maybe the raptors are rendered harmless simply because they’re awestruck by the starlings" synchronized spectacle.Desktop Version
A spectacle unlike any other
A spectacle unlike any other
The blue wildebeest embark on their spectacular annual migration to follow seasonal rains and the growth of plentiful grasses. The timing can vary from year to year, depending on the weather. But generally by this point in the year, the giant herds are moving from the northern Serengeti in Tanzania across the border into Kenya’s Maasai Mara National Reserve, shown in this photo. The annual migration sees over 1 million of these grass-eating bovines crossing miles of African savanna, often following the plains zebra as they make similar trek. By December they’ll be back in Tanzania for the rainy season. Many of the nations where the wildebeest migrate recognize that keeping the migration safe and healthy draws in tourist money. Many parks and preserves are established along the migration route, ensuring the safety of the animals, and allowing humans to view this marvel in person.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
Taj Mahal, Agra, Uttar Pradesh, India
Taj Mahal, Agra, Uttar Pradesh, India
Let"s explore the Taj Mahal, on the banks of the Yamuna River in Agra, Uttar Pradesh, India. This ivory-white marble mausoleum was commissioned in 1631 by Shah Jahan, the fifth Mughal emperor, to honor his late wife, Mumtaz Mahal. It is one of the New Seven Wonders of the World.Desktop Version
Wake up, it s Darwin Day
Wake up, it s Darwin Day
On Charles Darwin"s birthday, we celebrate Darwin Day—and, of course, there"s no better place to do that than the Galápagos Islands. Darwin is best known for his theory of evolution by natural selection, which he published in his 1859 book "On the Origin of Species." During his travels to the Galápagos Islands years earlier, Darwin observed creatures that were similar from island to island but had slightly different adaptations to better survive in their specific environments. This became a key component of his research. The islands are home to thousands of unique species, including this Pinzon Island tortoise, which we see hatching from an egg at the Charles Darwin Research Station.Desktop Version
Honoring our veterans
Honoring our veterans
Today is Veterans Day, the day we set aside to honor those who have served in the United States Armed Forces. There are roughly 18 million living veterans in the US, including nearly 2.25 million who served during the Korean War. June 25 of this year marked the 70th anniversary of the start of the Korean War, when North Korean troops invaded South Korea. While 21 nations contributed forces to the United Nations" defense of South Korea, 90% of the troops who served in the Korean theater were from the United States.Desktop Version
Back to the nest
Back to the nest
Spring is nearly here—if you live in the Southern Hemisphere. And these black-browed albatrosses, sometimes called mollymawks, have returned to their nesting grounds in the Falkland Islands where they will reunite with their mates. Each bird pair will lay a single egg in October and nurture the hatchling from December until April, when it’s time to take off and hunt the high seas again.Desktop Version
Oud-West, Amsterdam, Netherlands
Oud-West, Amsterdam, Netherlands
Welcome to Amsterdam! The capital of the Netherlands charms visitors with its historic canals, versatile architecture, and laid-back vibe. The city"s history can be traced back to the 12th century when it was a fishing village on the banks of the Amstel River. Institutions like the Van Gogh Museum, the Eye Film Museum, and the National Maritime Museum offer insights into its history and arts legacy. Amsterdam"s canal ring area, built at the turn of the 17th century, is a UNESCO World Heritage Site. The city is also home to its fair share of restaurants, vintage shops, and outdoor markets in neighborhoods like Oud-West, pictured in today"s image. Get ready to pedal because Amsterdam"s cycling culture is ubiquitous. With approximately 320 miles of bike lanes, it"s one of the most bike-friendly cities in the world.Desktop Version
In celebration of America’s national bird
In celebration of America’s national bird
June 20 is American Eagle Day, a celebration that commemorates the date in 1782 when the bird was added to the Great Seal of the United States, effectively becoming a national symbol. With an olive branch in its right talons and a bundle of 13 arrows in its left (representing the 13 original states in the Union), the eagle is said to represent a strong desire for peace, but readiness for conflict. You’ll likely recognize the Great Seal of the United States from its appearance on passports, flags, official documents, and American currency. The bald eagle, now federally protected, continues to inspire national pride.Desktop Version
Lizard of mystery
Lizard of mystery
The curious case of the Ecuadorian horned anole has fascinated herpetologists, making it an excellent mascot for World Lizard Day. Its story starts in 1953, when a single male specimen of the species was discovered near the Ecuadorian town of Mindo. Over the next 13 years, only a handful of additional Ecuadorian horned anoles were found, all males, and each sporting the same long snout that earned its species the nickname ‘Pinocchio lizard.’ So rare and secretive is this anole, that for the next four decades no more individuals were found, and scientists feared the Pinocchio lizard had gone extinct. It wasn’t spotted again until 2004, when researchers glimpsed a female for the first time. She didn’t have a long snout, leading scientists to believe the male’s sword-like appendage is primarily used in courtship (insert your own joke here).Desktop Version
A goldie gala
A goldie gala
It"s ladies" night at the Great Barrier Reef: Their bright orange-pink coloration indicates these sea goldies are females. But that could change quickly: Sea goldies are protogynous hermaphrodites, meaning that when there aren"t enough fellas around, the largest females change sex to become male, turning purplish and growing even larger. All goldies are born female, but those that switch to male enjoy instantly better odds at mating time: For every male goldie there are up to 10 females.Desktop Version
Dancing waters of Dubai
Dancing waters of Dubai
With the 2009 opening of the Dubai Fountain, featured in today"s image, the city of Dubai claimed another record for the books—"world"s tallest performing fountain.’ It"s located appropriately enough at the foot of the Burj Khalifa, currently the world"s tallest building. Designed by the same company that created the fountains at the Bellagio Hotel in Las Vegas, everything about the Dubai Fountain is impressive. Over 900 feet long and located in the 30-acre Burj Lake, the fountain has more than 6,600 lights and 75 color projectors. These are used to create over 1,000 different "water expressions" and provide a rainbow of colors, all perfectly choreographed to a carefully crafted musical playlist.Desktop Version
Beware the Ides of March
Beware the Ides of March
We"re at the Roman Forum for the Ides of March, a date made famous as the time of Julius Caesar"s assassination. According to the ancient historian Plutarch, Caesar had been warned by a seer that his life would be in danger no later than the Ides of March, something that William Shakespeare dramatizes in his famous tragedy of Caesar’s life and assassination. While historical fact and fiction can diverge, we do know that before March 15, 44 BCE was over, a group of senators had intercepted Caesar here in the Forum as Caesar was on his way to the Senate House. They stabbed him 23 times, killing him. Afterward, Rome descended into civil war, ending the Roman Republic, and leading to the rise of the Roman Empire.Desktop Version
Chapel on the rock
Chapel on the rock
Pace yourself—you"ll need to climb 268 stone steps to reach the entrance of Chapel St-Michel d"Aiguilhe (Chapel of St. Michael of the Needle). This historic church near Le Puy-en-Velay, France, is a UNESCO World Heritage Site that attracts visitors from around the world. It was constructed in 969 by a local bishop and dedicated to the Archangel Michael, the patron saint of mountaintops. Even before the chapel was built, the site had spiritual significance, as it was home to prehistoric dolmens (stone tombs) built by the Romans to honor their god Mercury.Desktop Version
Taking the scenic route to Sturgis
Taking the scenic route to Sturgis
South Dakota’s scenic highways roar to life this week as hundreds of thousands of bikers from around the world arrive for the annual Sturgis Motorcycle Rally. The small town of Sturgis, population roughly 7,000, swells to a gathering of half a million for this event, which includes 10 days of races, concerts, and revelry. The Sturgis rally was founded in 1938 by the Jackpine Gypsies Motorcycle Club and Sturgis resident Clarence ‘Pappy’ Hoel–a legend in these parts. What started as a modest gathering of just nine riders is now one of the largest rallies in the world.Desktop Version
Petrified Forest National Park
Petrified Forest National Park
The burliest lumberjack with the best-oiled chainsaw couldn"t slice the massive "timbers" found in Petrified Forest National Park in northeastern Arizona. So why are these giant stone logs segmented in such symmetrical rounds, as if they"re ready to be split into firewood?Desktop Version
Jackie Robinson Day
Jackie Robinson Day
On April 15, 1947, more than 26,000 spectators at Brooklyn"s Ebbets Field witnessed history as Jackie Robinson became the first Black player on a modern-era major league baseball team. (Three Black players played in the major leagues briefly in the 19th century before the color line was fully established.) Robinson endured racist resistance throughout his first season with the Brooklyn Dodgers, but the national pastime"s color barrier was broken, and other players followed him within months. In 1997, Major League Baseball retired Robinson"s number, 42, across all teams, and in 2004 it began the annual April 15 observance of Jackie Robinson Day. This photo shows Robinson signing autographs for fans at spring training in the Dominican Republic the year after his debut.Desktop Version
The Cutty Sark turns 150
The Cutty Sark turns 150
We"re featuring the Cutty Sark in today"s image to mark the 150th anniversary of its launching on November 22, 1869. Built for speed, the Cutty Sark began its abbreviated career as a tea clipper racing across oceans "at a clip" (hence the designation "clipper ship") to deliver the season"s first tea harvest from China to England. While at times considered one of the fastest ships in the world, the Cutty Sark’s practical use as a cargo ship was ending almost as soon as it was launched. That"s because steamships using the much shorter route through the newly opened Suez Canal were able to deliver the highly anticipated tea harvest faster and more cheaply. In 1883, the Cutty Sark began hauling wool from Australia, but within 10 years steamships also disrupted this business.Desktop Version
Polar bear capital of the world
Polar bear capital of the world
Welcome to Churchill, Manitoba, Canada, the self-proclaimed Polar Bear Capital of the World. Each year, about a thousand polar bears pass through the small town, outnumbering human residents. In October, the bears gather here to wait for the Hudson Bay to freeze over so they can venture out onto the ice to hunt for seals. The annual gathering of polar bears here is a big event for the residents of Churchill. They maintain a hotline for bear sightings and even run a polar bear "jail" that temporarily holds "pesky" bears to keep locals (and their food) safe.Desktop Version
Pretty, pretty…butterfly?
Pretty, pretty…butterfly?
Not quite. This winsome winged creature is a moth, a Loepa oberthuri to be exact, a type of silkmoth. It"s the star of our homepage because today marks the start of National Moth Week, which shines the porch light on this unlikely hero. Unlike their showier cousins, butterflies, moths get a bad rap from time to time, and that"s fair, as caterpillars of some moth species are agricultural pests. But before you break out the mothballs, consider this: Scientists estimate that there are some 160,000 species of moths worldwide, many just as stunning as our silkmoth today, and tracking their health often helps us gauge the health of entire ecosystems. So we encourage you to investigate moths this week right in your own backyard. All you have to do: Turn on the porch light—and the moths will come calling.Desktop Version
Keep your hands inside the ride at all times…
Keep your hands inside the ride at all times…
This roller coaster at Skyline Park in Bad Wörishofen, Germany, like all other modern coasters, can trace its lineage back to the engineering work of Russian refugees living in 17th-century Portugal. To recreate the fun of sledding down snow-covered hills, the Russians built ice-bearing wooden platforms and ramps similar to very large playground slides. As the concept of the ‘Russian Mountain’ ride caught on across Europe, mechanical parts came into play, including sled-like vehicles to ride in, and rails to keep the carts on track. Over the centuries, these coaster-like rides grew to resemble the extreme, gravity-challenging thrill rides we see at modern theme parks. Where is your favorite roller coaster?Desktop Version