1

It happens every 10 years

The U.S. Census is required by Article 1, Section 2 of the Constitution and takes place every decade, ending in "0," such as 2000, 2010, and 2020 . The first census was conducted in 1790 under President George Washington.

This fixed schedule ensures consistency. Population changes over time, so a regular count allows the government to fairly adjust representation and resources based on where people actually live.

2

It counts everyone living in the U.S.

The census aims to count every person residing in the country, not just citizens. This includes legal residents, undocumented immigrants, and people without permanent housing .

The key concept is "usual residence," meaning where a person lives most of the time. This approach provides a realistic snapshot of the population and ensures communities are represented accurately.

3

It determines seats in the House of Representatives

Census results are used to divide the 435 seats in the U.S. House of Representatives among the 50 states , a process known as apportionment.

States can gain or lose seats depending on population shifts. For example, after the 2020 census, Texas gained two seats, while states like California and New York lost one each due to slower growth.

4

It influences federal funding

Census data guide the distribution of hundreds of billions of dollars in federal funding each year, with estimates ranging from $675 billion to $1.5 trillion.

Programs for highways, hospitals, schools, and housing depend on population figures . Areas with higher populations typically receive more funding, making an accurate count financially important for communities.

5

Households receive census invitations

Every household in the United States receives an official census invitation , usually by mail. In 2020, more than 140 million housing units were included.

This system replaced earlier door-to-door counting methods. Using a national address database helps ensure broad coverage and makes it easier for people to respond on their own.

6

It can be completed online, by mail, or by phone

The modern census offers multiple ways to respond. In 2020, people could complete it online, by mailing back a paper form, or by phone .

Adding online responses marked a major shift. It reduced costs, improved convenience, and reflected how Americans increasingly move towards digital communication.

7

Census workers follow up in person

If households do not respond, trained census workers, called enumerators, visit homes in person to collect the information.

This step is essential because the census must count everyone, not just those who respond voluntarily . It helps reach people in rural areas, dense cities, and communities with lower response rates.

8

It asks basic demographic questions

The census form is intentionally short. In 202, it included about 10 questions covering age, sex, race, household relationships, and housing status.

The goal is to keep it simple. Shorter forms increase participation while still collecting the key data needed for representation, funding, decisions, and planning.

9

Responses are legally confidential

Federal law strictly protects census responses. Under Title 13 of the U.S. Code, personal data cannot be shared with law enforcement, immigration authorities, or other agencies .

Only anonymous, combined statistics are released. Census workers face severe penalties, including fines and prison, for revealing personal information.

10

Missing the census is technically against the law

Responding to the census is legally required. Federal law allows fines for refusing to answer or providing false information .

In practice, penalties are rarely enforced. The rule exists mainly to emphasize how important it is for everyone to be counted accurately.

11

The data helps draw voting districts

After the census determines how many representatives each state receives, the data is used to redraw congressional and state legislative districts .

This process, called redistricting, ensures districts reflect current population patterns. It supports the principle of equal representation, often described as "one person, one vote."

12

Results are released over time

Census results are published in stages. Basic population counts come first, allowing Congress to complete apportionment.

More detailed demographic data follows months later. This gradual release ensures accuracy while protecting privacy , sometimes using advanced techniques like statistical noise to safeguard identities.

1

Alaska SeaLife Center - Seward, Alaska

Image: David Clode

Alaska truly is the last frontier. Its wildlife is as vast as its land, and its sealife is equally incredible. To get a closer look at many of these creatures, the Alaska SeaLife Center in Seward offers an excellent opportunity.

The only public aquarium in the state, the center combines regional exhibits with marine research, education, and wildlife rehabilitation. At this unique facility, visitors can observe regional birds in the aviary, view an undersea kelp forest, or watch seals and Steller sea lions at play in the Rocky Coast exhibit.

2

National Aquarium - Baltimore

Image: naomi tamar

The National Aquarium in Baltimore is home to a wide range of exhibits, from an Amazon River forest to an Atlantic coral reef and more. Visitors can encounter an incredible array of creatures , enjoy interactive experiences , watch 4D films , and even participate in aquarium sleepovers .

Aside from its exhibitions, the National Aquarium's conservation work is geared toward combating climate change, protecting wildlife and their habitats, and reducing plastic pollution. Recent visitors have also raved about the dolphin show.

3

Shedd Aquarium - Chicago

Image: Caroline Hernandez

The Shedd Aquarium in Chicago gives visitors an up-close view of a variety of aquatic animals, including jellyfish, seahorses, and giant Pacific octopuses. The aquarium offers animal encounter experiences with beluga whales, sharks, penguins, stingrays, and sea otters.

There are also plenty of exhibits to explore. Pacific white-sided dolphins, belugas, California sea lions, and sea otters can be observed from both underwater and above-water viewing areas. The Polar Play Zone allows children to learn about life at the North and South poles in a kid-sized submarine, feeling the texture of a starfish in the touch pool, and admiring the underwater viewing area.

4

Tennessee Aquarium - Chattanooga, Tennessee

Image: Shane Rounce

The Tennessee Aquarium is divided into two separate buildings for freshwater and ocean exhibits , showcasing thousands of animals, including the macaroni penguin, sand tiger shark, alligator snapping turtle, hellbender, and giant Japanese spider crab.

The River Journey building features the Turtles of the World gallery, an Appalachian cove forest habitat, the River Giants exhibit, and more. In Ocean Journey , visitors will find a butterfly garden, a tropical cove habitat, and the Boneless Beauties exhibit, among other highlights.

5

Seattle Aquarium - Seattle

Image: Craig Lovelidge

Aquatic life in Puget Sound can be witnessed through the Seattle Aquarium's one-of-a-kind, 360-degree Underwater Dome , which displays local fish in a 400,000-gallon habitat . Set on two historic piers, the aquarium educates visitors about Puget Sound and the ocean at large through exhibits, events, conservation and education programs, research activities, and more.

At the Family Activity Center, guests of all ages can participate in hands-on activities to learn about the majestic orcas of the Pacific Northwest. The aquarium's species recovery program works to save animals from extinction through research, field conservation, and more.

6

Aquarium of the Pacific - Long Beach, California

Image: Julien Maculan

The Aquarium of the Pacific, in Long Beach, California, features habitats from the tropical Pacific Ocean, northern Pacific waters, and the Southern California/Baja region. As Southern California's largest aquarium, it houses more than 12,000 animals across 100-plus exhibits highlighting aquatic life in the Pacific Ocean.

The state-of-the-art Pacific Visions wing offers guests an interactive experience through film, art, and technology. Visitors can see what it's like to be an aquatic vet at the Molina Animal Care Center, and then learn about water sources and conservation at the Our Water Future exhibit.

7

New England Aquarium - Boston

Image: David Clode

The New England Aquarium features an open-air exhibit space for seal and sea lion training, the four-story Giant Ocean Tank, an Indo-Pacific coral reef habitat, an exhibit spotlighting Atlantic harbor seals , and the Simons Theatre with its nearly five-story-tall movie screen.

Aside from the indoor and outdoor exhibits, the aquarium's research division conducts ocean exploration and conservation through a plethora of initiatives like saving sea turtles and protecting North Atlantic right whales.

8

Shark Reef Aquarium - Las Vegas

Image: SGR

An aquarium is probably not the first thing that comes to one’s mind when thinking about Las Vegas, but the Shark Reef Aquarium is well worth a visit. With more than 2,000 animals, it features jellyfish, sharks, sea turtles, and even crocodiles.

Guests can feed stingrays, sea turtles, or even a zebra shark, or try out the Undersea Explorer VR Theater for an immersive digital experience.

9

Aquarium of Niagara - Niagara Falls, New York

Image: Shaun Low

Visitors can find more than 120 animal species at the Aquarium of Niagara, including many rescues that are unable to survive in the wild. The Penguin Coast exhibit is home to a colony of 14 Humboldt penguins , and the aquarium showcases over 100 species of fish and invertebrates from both freshwater and saltwater ecosystems , as well as several species of seals and sea lions .

In the summer of 2024, the aquarium unveiled the Great Lakes 360 experience with an interactive sturgeon touch pool and 16 new exhibits highlighting animals from the Great Lakes and Niagara River ecosystems.

10

Georgia Aquarium - Atlanta

Image: David Clode

At the enormous Georgia Aquarium, visitors can get close to rays, dolphins, sea lions, penguins, and sea otters, or even go behind the scenes at a dolphin training session. The aquarium focuses on conservation education and fostering positive connections between humans and animals.

The Ocean Voyager exhibit features a 100-foot-long underwater walk-through tunnel that displays more than 50 species.

1

Ancient origins

Image: Ameer Basheer

The Grand Canyon isn’t just old—it’s millions of years older than previously thought. Some rock layers at the bottom date back 1.8 billion years, nearly half the age of Earth itself. While the canyon itself is around 5 to 6 million years old, recent studies suggest parts of it began forming 70 million years ago—during the dinosaur era.

2

Once an ocean floor

Image: Yannis Papanastasopoulos

Long before it was a canyon, this region sat beneath an ancient sea. The Kaibab Limestone, the canyon’s top layer, formed from marine fossils left behind as the waters receded 270 million years ago. The presence of coral, shellfish, and even shark fossils proves the area was once home to a thriving ocean ecosystem.

3

Carved by more than water

Image: Wolfgang Hasselmann

While the Colorado River played a huge role in shaping the canyon, other forces were at work. Volcanic activity, tectonic uplift, and even landslides helped carve out its immense depths. Lava flows from nearby volcanoes poured into the canyon, creating layers of rock that tell the story of violent geological change.

4

The earliest human inhabitants

Image: Russ McCabe

Humans have lived near the Grand Canyon for at least 12,000 years. The earliest known inhabitants were Paleo-Indians, who left behind stone tools and spear points. Later, the Ancestral Puebloans built cliff dwellings and left behind intricate pottery, proving that this seemingly inhospitable land was once home to thriving communities.

5

First European encounter

Image: Antoine Vidal de La Blache

Spanish explorer García López de Cárdenas was the first European to lay eyes on the canyon in 1540. Sent by Francisco Vázquez de Coronado in search of legendary cities of gold, he and his men were shocked by its vastness. They tried to climb down for water but failed, unable to comprehend its sheer scale.

6

Named a national monument

Image: Benjamin Cutting

President Theodore Roosevelt designated the Grand Canyon a national monument in 1908, calling it a place "every American should see." He was instrumental in protecting it from commercial exploitation, setting the stage for its eventual National Park status in 1919.

7

Hidden caves

Image: Russ McCabe

The Grand Canyon contains over 1,000 caves, but fewer than 400 have been explored. Some remain completely untouched, preserving prehistoric fossils and evidence of ancient human life. Today, only one cave is open to the public—Grand Canyon Caverns, located nearby in Arizona.

8

Phantom ranch

Image: Annie Spratt

Built in the 1920s, Phantom Ranch remains one of the most isolated lodges in America. Located at the bottom of the canyon, it’s only accessible by hiking, mule ride, or rafting. Due to high demand, reservations are awarded through a lottery system.

9

America’s first canyon explorer

Image: Alex Moliski

John Wesley Powell led the first recorded expedition through the Grand Canyon in 1869. With one arm lost in the Civil War, he braved the Colorado River’s treacherous rapids in wooden boats. His journey mapped the canyon’s uncharted territory, proving it wasn’t an impassable wasteland but a geological treasure trove.

10

Forgotten civilizations?

Image: Otacilio Maia

In the 1930s, explorer Emery Kolb uncovered a sealed cave in the canyon containing ancient artifacts and human remains. Some speculated it belonged to a lost civilization, but archaeologists determined it was a prehistoric Native American site. The canyon still holds thousands of undiscovered archaeological sites, adding to its mystery and historical significance.