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A delta in the Venetian Lagoon, Italy
A delta in the Venetian Lagoon, Italy
Pictured here is a spectacular view of a delta in the Venetian Lagoon, Italy. Spanning over 212 square miles, this lagoon is a rich mosaic of islands, mudflats, canals, and marshes, and it"s one of the largest wetlands in the entire Mediterranean Basin. The lagoon isn"t just a scenic wonder—it"s a place steeped in history and innovation. Formed after the last Ice Age, it became a refuge for people fleeing invasions around the time of the fall of the Western Roman Empire in 476. In the centuries that followed, those early settlers began building what would eventually become the iconic city of Venice.Desktop Version
Yellowstone for the National Park Services birthday
Yellowstone for the National Park Services birthday
Today, the National Park Service celebrates another trip around the sun—and nearly 85 million acres of American beauty under its care. From geysers that spout like soda cans to ancient cliff dwellings tucked into canyon walls, the NPS has spent over a century preserving, protecting, and inviting people to take a hike—literally. In 1916, President Woodrow Wilson signed the Organic Act into law, officially creating the NPS to "conserve the scenery and the natural and historic objects." Since then, the NPS has grown to oversee more than 400 sites, including national parks, battlefields, monuments, and seashores.Desktop Version
Splendid leaf frog
Splendid leaf frog
Don"t let the name fool you—this frog isn"t just leafing around. The splendid leaf frog (aka splendid tree frog) is a rainforest resident with a flair for the dramatic: neon legs, sticky feet, and a disappearing act. One minute it"s a humble green leaf, the next it"s a flash of color mid-leap, startling predators. This frog lives high in the canopies of Central and South America, especially in Costa Rica, Panama, and parts of Ecuador and Colombia. It spends its days snoozing on leaves and its nights foraging for insects. With vertical pupils and a golden glow, oversized eyes help this frog spot prey in the dark. Thanks to sticky toe pads and strong limbs, it can cling to branches and leaves like a pro, even in the canopy"s slippery heights.Desktop Version
Rainbow River, Rainbow Springs State Park, Florida
Rainbow River, Rainbow Springs State Park, Florida
Nestled in the northern Gulf Coast of Florida, is Rainbow Springs State Park. This area has served as a natural resource for humans and animals for centuries, with the Rainbow River—flowing through the park—playing a major role. The gently winding waterway is fed by Rainbow Springs, one of Florida"s largest springs. The water that bubbles up here comes from a 770-square-mile area and eventually flows into the Withlacoochee River.Desktop Version
Vatican City with St. Peters Basilica
Vatican City with St. Peters Basilica
In the middle of Rome, Italy, lies an entire country of its own: Vatican City. At just 121 acres, it"s the smallest independent nation in the world, yet its reach spans centuries and continents. Home to the pope and the spiritual center of the Roman Catholic Church, this walled enclave is a blend of art, history, and devotion. At its core stands St. Peter"s Basilica. Seen in the distance in today"s image, this Renaissance masterpiece is built over what is believed to be the tomb of St. Peter, the first bishop of Rome. With its soaring dome dominating the skyline, the basilica is one of the largest churches in the world. Just beyond the basilica lies St. Peter"s Square, where thousands gather for papal blessings. The Vatican Museums and the Sistine Chapel, which houses Michelangelo"s famed ceiling, are other must-sees. Despite its size, Vatican City has its own postal service, telephone system, and banking system.Desktop Version
Mesquite Flat Sand Dunes in Death Valley National Park, California
Mesquite Flat Sand Dunes in Death Valley National Park, California
The Mesquite Flat Sand Dunes, located near Stovepipe Wells Village in Death Valley National Park, are the most accessible and iconic dunes in the park. They are formed by a combination of eroding mountains to the north that supply sand, prevailing winds that move it, and surrounding mountains that trap it from the south—creating a stunning landscape of rippling sand hills. Named after the resilient mesquite trees that grow here, the dunes offer breathtaking views at sunrise and sunset, as well as exceptional stargazing opportunities.Desktop Version
Annivesary of the Wilderness Act of 1964
Annivesary of the Wilderness Act of 1964
The Wilderness Act of 1964, passed 61 years ago today, established the legal definition of wilderness in the United States. Its purpose was to preserve areas "where the earth and its community of life are untrammeled by man." This landmark legislation created the National Wilderness Preservation System, protecting millions of acres from development, roads, and mechanized use.Desktop Version
International Chameleon Day
International Chameleon Day
One moment they"re blending in, the next they"re flaunting a new shade—chameleons really know how to color the world. But every May 9, these masters of disguise can"t hide from the spotlight. International Chameleon Day celebrates their color-shifting skills, zippy tongues, and wild adaptations. Chameleons change colors to help regulate their body temperature, attract mates, and communicate with others. Specialized skin cells, including iridophores, reflect light to create dazzling displays. Some species turn bright to signal aggression, while others adopt subdued tones to avoid attention.Desktop Version
Patriot Day
Patriot Day
September 11, 2001, began like any other day—until history changed in an instant. Nearly 3,000 innocent lives were lost in the terrorist attacks on the World Trade Center, the Pentagon, and aboard United Airlines Flight 93. Today, on Patriot Day, we honor the fallen and the countless acts of courage that emerged in the face of tragedy, from firefighters and first responders to ordinary citizens who became heroes. At 8:46 AM Eastern Time—the moment the first plane struck the North Tower—Americans observe a moment of silence. Permanent memorials now stand at each of the three sites. Visiting one or volunteering in your community is a meaningful way to participate in the National Day of Service and honor those who continue to serve.Desktop Version
World Otter Day
World Otter Day
They slip through the water like furry torpedoes, roll on riverbanks like children on a playground, and hold hands while they nap. Otters are nature"s playful pranksters, but their future isn"t all smooth sailing. Many species are threatened by habitat destruction, pollution, and illegal wildlife trade. But it doesn"t have to be that way. On World Otter Day—the last Wednesday of May—let"s shine a light on the challenges these lovable mammals face and help protect their place in the wild.Desktop Version
International Tiger Day
International Tiger Day
Think you can hear silence? Try sitting in a jeep in Kanha National Park in the heart of India, waiting for a Bengal tiger to appear. Every year, International Tiger Day draws attention to these powerful yet endangered big cats. Bengal tigers are more than their unmistakable orange coats and black stripes. They are apex predators, essential to the health and balance of the ecosystems they inhabit. By keeping prey populations like deer and wild boar in check, tigers help shape vegetation patterns and support the overall biodiversity of their environments.Desktop Version
International Tea Day
International Tea Day
Legend says that it began with a single leaf drifting into a pot of boiling water in ancient China. Centuries later, tea is the second-most consumed drink in the world (after water). Today is International Tea Day, a global nod to this timeless beverage, established by the United Nations to recognize tea"s role in reducing poverty and supporting sustainable development. It"s a day to honor both the drink and the people who are part of this industry.Desktop Version
An ultralight aircraft flying over the sands of Namibia
An ultralight aircraft flying over the sands of Namibia
Imagine soaring through the skies in an ultralight aircraft, the wind rushing past as you take in the picturesque views. Below, the world"s oldest desert, the Namib, stretches endlessly, shaped by winds over 55 million years. This is Namibia—a surreal landscape of towering dunes, dry riverbeds, and shifting sands.Desktop Version
Vila Franca Islet, São Miguel Island, Azores, Portugal
Vila Franca Islet, São Miguel Island, Azores, Portugal
Not far from São Miguel Island in the Azores archipelago of Portugal, you"ll find Vila Franca Islet. This uninhabited green islet sits quietly just south of the town of Vila Franca do Campo. Beneath its serene surface, this gem holds a lively past. First documented in 1537, around the time when settlers from São Miguel began expanding westward, Vila Franca Islet has played many roles throughout its history. It has served as a military fort, a port, a vineyard site, and even a lookout for whale-watching.Desktop Version
World Population Day
World Population Day
We are living in a full house, and it is getting fuller. With 8.2 billion people and counting, World Population Day highlights how that growth affects cities, food, and the future. First observed in 1989, the day focuses on how unchecked population growth affects sustainability. The event was inspired by Five Billion Day in 1987, which marked the approximate date when the global population hit that milestone. As cities expand, green spaces shrink, and agriculture competes for limited land and water resources. But there is a way forward—investing in education, improving access to healthcare, and building smarter cities can balance growth with sustainability.Desktop Version
Knuthöjdsmossen, a nature reserve in Sweden
Knuthöjdsmossen, a nature reserve in Sweden
Discover Knuthöjdsmossen, a nature reserve that covers almost 250 acres near the city of Hällefors, Sweden. This tranquil haven features a boardwalk that meanders through a bog, showcasing several small lakes, sand dunes, marshes, and pines.Desktop Version
Maritime forest in Cumberland Island National Seashore, Georgia
Maritime forest in Cumberland Island National Seashore, Georgia
Before you hit the beach, you"ll hear it—the rustle of leaves in salty air, the creak of twisted trunks, the hush of an old world. Welcome to the maritime forest of Cumberland Island National Seashore on the southernmost stretch of Georgia"s Atlantic coast. Salt spray, sandy soil, hurricanes? The trees here stand their ground. Live oaks bend but don"t break. Saw palmettos crowd the ground like leafy bodyguards, while Spanish moss hangs from branches like nature"s fringe. This maritime forest is one of the best remaining examples of this rare habitat in the United States. Thanks to its national seashore status, the island has been spared from the concrete creep seen on other coastlines.Desktop Version
Endangered Species Day
Endangered Species Day
Each year on the third Friday of May, people worldwide recognize Endangered Species Day—a day to celebrate, learn about, and act on behalf of at-risk wildlife. First launched in 2006 by the Endangered Species Coalition and conservationist David Robinson, this event inspires local and global efforts to protect threatened animals and their habitats.Desktop Version
World Reef Awareness Day
World Reef Awareness Day
"Life under the sea is better than anything they got up there," Sebastian the crab once told Ariel. But are we doing enough to protect that underwater world? On June 1, we celebrate World Reef Awareness Day, a time to recognize the beauty—and fragility—of coral reef ecosystems. One magnificent example is the New Caledonian barrier reef, which wraps around Grande Terre, New Caledonia"s largest island. At over 930 miles long, it"s one of the longest continuous barrier reefs in the world. Its vast 9,300-square-mile lagoon is home to over 2,300 fish species, endangered dugongs, green sea turtles, and migrating humpback whales.Desktop Version
Memorial Day
Memorial Day
Today we"re honoring Americans who gave their lives in military service. Originally known as Decoration Day, the tradition began in the late 1860s after the American Civil War. Communities held springtime tributes by decorating the graves of fallen Union soldiers with flowers. Over time, it expanded to commemorate all US military personnel who died in wars. Locals observe the day with ceremonies and parades across the country.Desktop Version
World Rainforest Day
World Rainforest Day
Fresh air, rustling leaves, and thousands of wildlife species—welcome to the Amazon rainforest. Covering more than 2,100,000 square miles, this South America treasure extends its branches across nine nations—Brazil, Peru, Colombia, Bolivia, Ecuador, French Guiana, Guyana, Suriname, and Venezuela. Today, the Amazon is home to more than 30 million people, but it also carries secrets of lost civilizations. Archaeologists recently discovered a network of cities here dating back 2,500 years.Desktop Version
World Turtle Day
World Turtle Day
No need to hurry, because today marks the 25th anniversary of World Turtle Day. Turtles and tortoises thrive in a variety of environments and are linked to wisdom and perseverance. All tortoises are turtles, but not all turtles are tortoises. While turtles are smaller and built for swimming, tortoises are larger, heavier, and adapted for life on land. The American Tortoise Rescue (ATR) established World Turtle Day to raise awareness and protection efforts on May 23 each year. ATR has helped rehabilitate, rescue, and rehome around 4,000 turtles and tortoises, working to protect them and their disappearing habitats.Desktop Version
World Donkey Day
World Donkey Day
On May 8 each year, donkeys get their moment in the sun—though they"d probably prefer the shade. World Donkey Day, established by Dr. Abdul Raziq Kakar, a livestock expert from Pakistan, is all about celebrating these hardworking animals. Donkeys have a reputation for being stubborn, but that"s just a misunderstanding. They"re actually cautious thinkers. Unlike horses, which might bolt at danger, donkeys take a moment to assess the situation before reacting. From ancient trade routes to modern farms, donkeys have been essential to transportation and agriculture. In many parts of the world, they"re still the backbone of rural economies, carrying supplies across difficult terrain where vehicles can"t go. Despite their vital role, donkeys face serious challenges. Many endure overwork, poor treatment, and abandonment.Desktop Version
Kalalau Beach on the Nā Pali Coast, Kauai, Hawaii
Kalalau Beach on the Nā Pali Coast, Kauai, Hawaii
No road signs, no souvenir stands—just 11 miles of mud, cliffs, and sweeping views leading to one of Hawaii"s most remote beaches. Kalalau Beach, at the end of Kauai"s Kalalau Trail, is where tired feet meet a sandy reward. The only land access is the trail itself, a rugged trek through valleys and along coastal cliffs. During summer, some arrive by kayak, but all visitors need permits to stay.Desktop Version
Big Bend National Park in Texas turns 81
Big Bend National Park in Texas turns 81
They say everything"s bigger in Texas—and Big Bend National Park has been living up to the slogan since forever. Efforts to preserve this 801,163-acre area of West Texas began in the 1930s and culminated in its official designation as a park on June 12, 1944. Big Bend remains one of the most remote and least-visited national parks in the country. It"s not just one landscape, it"s three: the Chihuahuan Desert, the Chisos Mountains (pictured here), and the Rio Grande. Big Bend sits on the US–Mexico border, and its history reflects that blend. Indigenous peoples, Spanish explorers, ranchers, miners, and modern travelers have all left their footprints. Petroglyphs, ruins, and old trails show the land"s story began long before it became a park.Desktop Version