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Cosplay strongly encouraged
Cosplay strongly encouraged
The first San Diego Comic-Con (SDCC) was a single-day event for comic book fans on March 21, 1970. After that successful trial run, the organizers staged a three-day event featuring celebrity appearances later that year. Comic-Con grew quickly from a modest gathering of dedicated fans to the massive multimedia spectacle of SDCC that begins today. Each year, more than 100,000 Comic-Con attendees dress as their favorite characters from the books, television shows, and movies that they love.Desktop Version
An octagonal architectural treasure
An octagonal architectural treasure
Built in the 1240s by the Holy Roman Emperor Frederick II in southeast Italy, Castel del Monte (Castle of the Mount) features an unusual octagonal design. Eight stone walls stretch between eight octagonal towers and enclose an octagonal courtyard. Each of the two floors also has eight trapezoidal rooms. Acclaimed and protected as a World Heritage Site in 1996, the castle symbolically reflects a harmonious integration of classical Roman, Arabic, and medieval architecture and design—and to some, its octagonal symmetry suggests a connection between heaven and earth.Desktop Version
International Day of Human Space Flight
International Day of Human Space Flight
Sixty-one years ago today, Yuri Gagarin became the first human to see Earth from space, with a view likely similar to this image of the waning gibbous moon taken from the International Space Station. With a call of "Poyekhali!" ("Off we go!"), Gagarin launched into low Earth orbit in his Vostok 3KA spacecraft, making history in less than two hours with a complete trip around the planet. Landing in rural Russia, he became an instant worldwide celebrity—that is, after convincing puzzled locals he was a comrade and not a space alien.Desktop Version
Gateway to America
Gateway to America
We’re here at Ellis Island in honor of Constitution Day and Citizenship Day, an annual observance that recognizes both the adoption of the US Constitution and those who have become US citizens. For more than 60 years, Ellis Island served as a gateway for millions of immigrants arriving in the United States—and it’s easy to imagine them gazing at the Statue of Liberty from this very window, while contemplating their new lives in the United States. These days, Citizenship Day is a popular time for federal courts to hold naturalization ceremonies, when new American citizens are sworn in. These free, often celebratory events are open to the public, and are often attended by students learning about citizenship.Desktop Version
Earth at Perihelion
Earth at Perihelion
We"ve reached perihelion! Two weeks after winter solstice the Earth"s orbit is closer to the sun than at any other time of year—a result of the Earth"s elliptical orbit. You may think, "If we"re so close to the sun, why can"t I feel the heat?" Well, that"s because we"re only receiving about 7% more solar energy than normal, which doesn"t really have much impact on the weather.Desktop Version
A star is borne by seaweed
A star is borne by seaweed
With a little "kelp," this starfish is enjoying a change from its typical view of craggy tidal beds. Both passenger and vehicle in this photo, taken off California"s coast, play important roles in their ecosystems.Desktop Version
They’re grrrape!
They’re grrrape!
When you hear wine experts talk of ‘Burgundies,’ they are referring to wines made in this French region. The most common varieties are Pinot noir and Chardonnay, but farmers here grow many different types of grapes. September and early October is grape harvest time in France, so the usually quiet rows of grape vines we see in this photo are probably very busy with workers gathering the fruit to be crushed and fermented. We’re thinking about putting together a bread and cheese plate right now…Desktop Version
Red Planet Day
Red Planet Day
About 140 million miles away from Earth, the most relatable planet in the solar system orbits the sun. Mars, popularly known as the Red Planet, is the fourth planet from the sun, after Mercury, Venus, and Earth. We know more about Mars than any other planet but our own. That knowledge has been gained over centuries and has grown exponentially in recent years with the successful landings on Mars of the Curiosity and Perseverance rovers in 2012 and 2021 respectively. Today we celebrate those and other accomplishments on Red Planet Day, which coincides with the launch of Mariner 4, the first probe sent to Mars, on this day in 1964.Desktop Version
Make your way up a picturesque passageway of Chefchaouen
Make your way up a picturesque passageway of Chefchaouen
You may not be familiar with the name Chefchaouen but its blue beauty is immediately recognizable. Nestled against the Rif Mountains, the city is well known for the medieval walls washed in a hue that mimics the sky on a summer day. There are many theories as to why the walls are this color—some suggest it was thought to repel mosquitos; others say it follows religious beliefs that associate blue with heaven. No matter the reason, the blue creates photogenic passageways, one of which we are admiring here. As you wander through the city, you’ll find the market filled with handmade textiles and other colorful local goods. The locals are mostly Berber, Jewish, and Muslim people who are famously friendly and laid back. Chefchaouen is also brimming with aromatic cuisine that draws visitors from their explorations to the many popular bakeries and restaurants.Desktop Version
Dalyan, Turkey
Dalyan, Turkey
Among the remains of the ancient Anatolian port city of Kaunos are these carvings in the sheer rock walls above the Dalyan Çayı River. Overlooking the modern-day city of Dalyan, Turkey, what appear to be ornate cliff dwellings are really the weathered facades of tombs for the elite of a once-forgotten society.Desktop Version
Vermilion Cliffs National Monument
Vermilion Cliffs National Monument
Vermilion Cliffs National Monument in Arizona features sandstone rock formations, towering hoodoos, and surreal slot canyons. The monument, established in 2000, was named after the vibrant red hues that dominate this sandstone landscape. Once you get a permit to take part in this outdoor excursion, make sure to visit the "Wave." It"s a stunning geological wonder, with flowing layers of rocks that look like red liquid that has been frozen in time. Other visual treats include Cobra Arch and the White Pocket rock formations, featuring swirling patterns in white, red, and orange.Desktop Version
Canadian Thanksgiving
Canadian Thanksgiving
We"re looking at a fall sunrise in Alberta, Canada, in honor (or should we say "honour") of Canadian Thanksgiving. The holiday is officially celebrated on the second Monday in October, though many families gather the previous day. The first known Thanksgiving celebration in Canada was organized by English explorer Martin Frobisher in 1578 when he reached Newfoundland. Years later, American loyalists who were faithful to England during the Revolutionary War moved to Canada and brought traditions with them, such as eating turkey on Thanksgiving. As in the US, a Canadian Thanksgiving table is likely to have a horn-shaped cornucopia filled with festive-looking fruits and grains. The menu often includes turkey, but also regional dishes like salmon and Nanaimo bars—a layered chocolate dessert.Desktop Version
Diving into World Oceans Day
Diving into World Oceans Day
Humans have been trying to construct artificial coral reefs since at least the 1950s, with only marginal success. But in 1979, German scientist and inventor Wolf Hilbertz created ‘Biorock,’ also known as ‘Seacrete.’ Hilbertz found that by directing a low-voltage charge to a metal frame submerged in seawater, calcium and other minerals in the water would build up on the frame. This mineral coating is so similar to the mineral composition of natural reef substrate that it creates a good habitat for the growth of corals. After the minerals have begun to coat the surface, divers transplant coral fragments from other reefs, attaching them to the structure’s frame. These coral pieces begin to bond to the accreted mineral substrate and start to grow, typically faster than in natural environments. Eventually the reef looks and functions like a natural reef ecosystem rather than an artificial one.Desktop Version
A grotesque scene
A grotesque scene
"Goofy" might be a better descriptor, but these seabird statues lining an outer wall of an Ecuadorian cathedral are called "grotesques"—the architectural term for a statue ornamenting the side of a building. But hang on…don"t we call those "gargoyles"? Not exactly. Gargoyles are simply grotesques that boast a specific, practical feature: spouts that convey water from rain gutters away from the building.Desktop Version
Design for Each and All
Design for Each and All
Happy International Design Day! It"s been said the best designs are the ones you never notice, but this giant yellow polka-dotted pumpkin on Japan"s Naoshima Island is kind of hard to miss. The sculpture is the work of Yayoi Kusama, an avant-garde artist active since the 1950s and known for crafting outlandish, repeating patterns in bright colors. Polka dots and pumpkins are her most famous motifs, showing up not only on her sculptures but in her paintings, performance pieces, and films.Desktop Version
Are you older than this lake?
Are you older than this lake?
If you were born before summer 1991, the answer is yes. Sorry if you already felt a bit long in the tooth, but it"s true: Until 30 years ago, Lake Pinatubo was just a rumble in Mount Pinatubo"s magma-filled belly. It was a calamitous eruption on June 15, 1991—one of the 20th century"s most powerful—that blew off Pinatubo"s original summit and formed a vast crater, which gradually filled with water as greenery reclaimed the summit.Desktop Version
St. Patricks Day in County Waterford, Ireland
St. Patricks Day in County Waterford, Ireland
For St. Patrick"s Day, we"re enjoying this stunning rainbow over Ireland"s southeast coast. Shamrocks, parades, and all things green will be the order of the day as we celebrate the patron saint of the Emerald Isle. While many countries recognize the holiday today, the first celebration was held in Ireland more than 1,000 years ago, remembering the 5th-century missionary and bishop credited with bringing Christianity to the country.Desktop Version
Surf s always up in Paia
Surf s always up in Paia
Old surfboards never die, at least not here, just outside the town of Paia, on Maui, Hawaii. Local resident Donald Dettloff constructed this fence beginning back in 1990 from over 600 discarded boards, most of which were either donated or salvaged from local junk and vintage stores. Dettloff originally wired some of his own boards to his fence to keep them from blowing away in a hurricane. Now the colorful display is a local landmark and even caught the attention of Guinness World Records for being the largest surfboard collection.Desktop Version
Detroit Industry Murals by Diego Rivera
Detroit Industry Murals by Diego Rivera
Diego Rivera"s "Detroit Industry Murals" show off the Mexican painter"s incredible attention to detail in his depiction of the American labor industry in the early 20th century. The portion on our homepage today is from the north wall panel, and shows a busy shift at an automotive factory. It"s one of 27 frescoes that make up this collection of wall-sized paintings.Desktop Version
Jöriseen lakes in the Silvretta Alps, Switzerland
Jöriseen lakes in the Silvretta Alps, Switzerland
Today we"re exploring a place of otherworldly beauty: the Jöriseen, a group of alpine lakes near Davos, Switzerland. On sunny days, the lakes glow an ethereal blue, contrasting with the dark, jagged Silvretta Alps that encircle them. The sunlight is reflected in the water by "rock flour"—silt-sized rock particles generated from the grinding of bedrock by glaciers.Desktop Version
Full moon
Full moon
Each month of the year has at least one full moon, and the occasion of that full moon often has nicknames related to the season. In the Northern Hemisphere, December is usually considered the start of winter, so December"s first full moon gets the chilly nickname "cold moon." It"s sometimes called the "long night moon," since the winter solstice is just around the corner.Desktop Version
Fiordland National Park, New Zealand
Fiordland National Park, New Zealand
For Waitangi Day, we"re visiting the spectacular landscape of Fiordland National Park on New Zealand"s South Island. Waitangi Day is New Zealand"s national day, established to commemorate the signing of the Treaty of Waitangi on February 6, 1840. The document was signed by representatives of the British Crown and some 500 Māori chiefs to establish British law on the islands. The treaty also created the framework for political relations between New Zealand"s government and the Indigenous Māori people. It"s considered New Zealand"s founding document and a cornerstone in the country"s history.Desktop Version
Lower Antelope Canyon, Arizona
Lower Antelope Canyon, Arizona
Today we"re peering up from the depths of Lower Antelope Canyon, located in Lake Powell Navajo Tribal Park near Page, Arizona. This tall, narrow channel is an entry point into Antelope Canyon, a slot canyon that was created over millions of years by flash floods carving away at the soft Navajo sandstone.Desktop Version
Blink and you ll miss it
Blink and you ll miss it
The mountain hare is doubly hard to catch sight of, because along with its tremendous speed, it"s terrifically well camouflaged. These two traits help the iconic species survive in the rugged mountains and uplands of northern Europe and Asia—this hare is dashing across a heath in the Scottish Highlands. When they have to, these speedy leporids can dart away as fast as 50 mph, at least for short distances, allowing them to outrun predators and disappear safely into the heather. But a would-be predator may not even spy them to begin with—mountain hares change coats, or molt, several times a year, their fur going from brown and gray in summer, to white-gray in winter, helping them to blend into their surroundings whatever the season.Desktop Version
Crescent Lake near Dunhuang, China
Crescent Lake near Dunhuang, China
Crescent Lake is a captivating natural wonder hidden in the vast Gobi Desert near the Chinese city of Dunhuang in Gansu province. This oasis, named for its unusual shape, has been a vital water source here for centuries. The lake is thought to have formed in a valley carved by wind and been fed by an underground spring. It sits amid Dunhuang"s "singing" sand dunes, which make a noise when the wind blows. The sand dunes also help stop the lake from being swallowed by sand and conservation efforts have ensured that it doesn"t dry out. Visitors enjoy boating on the lake, camel rides through the surrounding dunes, and seeing ancient Buddhist art and murals in the nearby Mogao Caves.Desktop Version