1

Too slow

Image: Milad Fakurian

If your computer suddenly starts running much slower than usual, this could be a virus infection giveaway, since viruses can cause a computer to perform significantly worse than usual by consuming a lot of resources .

2

Too hot

Image: Artur Solarz

If your computer's fan suddenly becomes unusually loud, this could be a virus warning. If this happens, the computer is being pushed to its limits by some software , possibly a virus, causing the CPU to heat up.

3

Increased random pop-ups

Image: KOBU Agency

Pop-ups are a common nuisance on the internet. However, if you notice a sudden increase in random pop-ups, it could indicate that your computer is infected with a virus. Some pop-up ads contain malware that, if clicked, can install itself on your computer and run without your knowledge. These pop-ups may appear as error messages, or even messages claiming your computer has a virus .

4

Repeated crashes and freezes

Image: Joshua Hoehne

A computer may crash or freeze when running a resource-intensive program or app. However, if it crashes or freezes frequently without any demanding programs running , it could be a sign of a virus infection .

5

Browser homepage changes

Image: Nathana Rebouças

A browser’s homepage should not change unless the user modifies it. At most, it may open a separate tab after an update, but it won’t alter the homepage. If your browser’s homepage unexpectedly switches to a different website , your computer may be infected with a virus .

6

Unknown programs

Image: KOBU Agency

An unknown program or app appearing on a computer could be an indicator of virus presence. A hidden virus may be launching programs that the user did not download .

7

Computer battery draining

Image: Roberto Sorin

As we’ve learned, viruses consume a lot of resources, and a computer’s battery is no exception . When a computer’s battery life quickly drops, this could mean a virus is running in the background and spreading to affect the system.

8

Missing files and corrupted data

Image: Markus Spiske

Missing or corrupted files can also indicate a virus infection on a computer. Heuristic viruses often target files, causing them to disappear or become unreadable . This not only disrupts the workflow but also poses a significant threat to personal and professional information, such as important documents, cherished photos, or critical work files.

9

Unfamiliar files and folders

Image: Cookie the Pom

Computer viruses not only make files disappear but also create files and folders to disguise their presence. Some viruses modify files on a computer by giving them almost identical names, allowing them to blend in with the rest of the documents.

10

Disabled security tools

Image: Ed Hardie

Antivirus programs and security tools are some of our best allies against computer viruses. That’s why, when a virus infects a computer, it often disables security features to make its job easier. Some viruses are specifically designed to disable security tools, giving them access to the computer’s data and private information. If an antivirus program has been disabled, it could be a sign that a virus has shut it down.

11

Unknown emails in the Sent folder

Image: Justin Morgan

Checking the Sent messages folder in one’s Inbox every once in a while is a smart thing to do. Some viruses gain access to a target’s contact list and send emails from their address , spreading malware to other recipients.

12

Unable to access the computer or accounts

Image: Simon Hattinga Verschure

A computer virus may completely block a genuine user’s access . If you realize that you can’t access your online accounts or your entire computer, this can be a sure sign that a virus is running on your computer.

1

Lucy Ricardo ( I Love Lucy )

Image: TV Guide, Public domain, via Wikimedia Commons

Despite being a series from the 1950s, I Love Lucy made such a strong impact on American culture that it’s still remembered and referenced today. And it’s impossible to forget Lucy Ricardo, the lovable protagonist who was always chasing "a little more" out of life through daring and hilarious adventures with her husband and neighbors. The familiarity of the characters and the way they connected with viewers turned the show into a success that totally transcended its time.

2

Spock ( Star Trek )

Image: NBC Television, Public domain, via Wikimedia Commons

This pair of pointed ears is really hard to forget. Mr. Spock, played by Leonard Nimoy in Star Trek , is easily one of the most memorable characters on TV, and we get why. His particular appearance and his calm, controlled demeanor made him irresistible to almost everyone in the audience. Alongside his discipline, strong values, and quiet reserve, his warm and empathetic human side would occasionally shine through, making him one of our favorites.

3

Fonzie "The Fonz" ( Happy Days )

Image: ABC, Public domain, via Wikimedia Commons

Fonzarelli, Fonzie, the Fonz: three names for everyone’s favorite character from Happy Days . Fonzie wasn’t just the epitome of cool; he also had a loyal, charismatic, and genuinely warm personality that made him impossible not to love.

4

Samantha Stephens ( Bewitched )

Image: ABC Television, Public domain, via Wikimedia Commons

If you had magical powers, your life would probably resemble that of Samantha Stephens, the lovable star of Bewitched , and that's probably what made this series such a success. Samantha’s warm personality and intelligence (along with her powers, of course) allowed her to balance her magical world and her human life. And along the way, she gives us some really funny adventures!

5

Michael Scott ( The Office )

Image: Steve_Carell_with_wife_Nancy_Walls_@_2010_Academy_Awards.jpg: Photo by Sgt. Michael Connorsderivative work: RanZag, Public domain, via Wikimedia Commons

Michael Scott may not seem like the nicest character ever, but it’s precisely his quirkiness and his desperate need to be liked that make us end up loving him so much. Well-intentioned but socially awkward, this character is so funny that no matter what he does, we can’t help but adore him.

6

Kermit the Frog ( Sesame Street/The Muppet Show )

Image: Pattie, Public domain, via Wikimedia Commons

Who said all the characters on this list had to be human? No one would have guessed that a puppet could become a total celebrity, right? Well, that’s exactly what happened with Kermit, the most famous frog of all. The best part is that you don’t have to be a child to appreciate the optimism, warmth, and humor that make us all love dear Kermit.

7

Chandler Bing ( Friends )

Image: Tracie Hall from Orange County, us, CC BY-SA 2.0 <https://creativecommons.org/licenses/by-sa/2.0>, via Wikimedia Commons

Each one of the six main characters of Friends has a strong fan base, but one stands out: Chandler Bing. Undoubtedly one of the most beloved, Chandler won us over with his humble heart, his awkwardness in understanding and managing emotions, and, of course, his silly jokes that came out even at the most inappropriate moments.

8

Mulder & Scully ( The X-Files )

Image: Marcin Wichary from San Francisco, U.S.A., CC BY 2.0 <https://creativecommons.org/licenses/by/2.0>, via Wikimedia Commons

We had to pick one, but we just couldn’t: Mulder and Scully are inseparable. Though very different, the two main characters of The X-Files won over audiences equally. Mulder, the believer and passionate investigator, and Scully, the skeptical but determined scientist, come together to complement each other in the most perfect way.

9

Sheriff Andy Taylor ( The Andy Griffith Show )

Image: Rogers & Cowan, Beverly Hills-publicity agency, Public domain, via Wikimedia Commons

That kind face was enough to win our hearts, but Sheriff Andy Taylor offers so much more: kindness, good intentions, and a calm demeanor, along with humor and intelligence. Often serving as the moral compass in The Andy Griffith Show , he became a familiar and trusted presence for audiences of all ages.

10

Sheldon Cooper ( The Big Bang Theory )

Image: MelodyJSandoval, CC BY 2.0 <https://creativecommons.org/licenses/by/2.0>, via Wikimedia Commons

His enormous intelligence and sharp logic make him stand out in the academic world, but his struggles with social connections complicate his personal life. This is Sheldon Cooper, one of TV’s most beloved "brainiacs." Despite his difficulty with sarcasm, his cold and distant demeanor, and his unbearably pragmatic nature, Sheldon has a certain charm that makes him impossible not to love.

1

Multnomah Falls (Bridal Veil, Oregon)

Image: Karsten Winegeart

Multnomah Falls is, without a doubt, the mother of all the 77 waterfalls that can be found in the gorge of the Columbia River in the state of Oregon. Located 30 miles east of Portland, it is one of the three largest waterfalls in the United States . Multnomah Falls has a staggering drop of 620 feet divided into two sections and is a natural wonderland of breathtaking beauty.

A stone bridge suspended between two cliffs offers the best views. The Benson Bridge, built in 1914, allows you to cross the lower falls and continue along a paved trail to the viewing platform at the top. From this privileged observation point, you’ll be able to appreciate the geology exposed by centuries of flooding. Multnomah Falls is the perfect place for hikers , especially during the autumn months. Its rich natural, cultural, and geological history is worth visiting at least once in a lifetime.

2

Bridalveil Fall (Yosemite, California)

Image: PeterBowers

Bridalveil Falls is a 617-foot cascade and is one of the most iconic sights in the Yosemite National Park . This famous waterfall drops to the base in spring and early summer with enough water to spray its visitors with a gentle mist. In winter, Bridalveil Falls offers a soft yellow glow.

The Ahwahneechee tribe believed that Bridalveil Falls was home to a vengeful spirit named Pohono who protected the entrance to the valley and that those leaving should not look directly at the waterfall lest they suffer the curse. They also thought inhaling the mist from the waterfall would help them find someone to marry , hence the name it is known today.

3

Nugget Falls (Juneau, Alaska)

Image: Timon Cornelissen

Surrounded by snow-capped mountains, lush forests, and crystal-clear lakes, Nugget Falls is one of the most beautiful waterfalls in the United States. Although it’s a popular spot for outdoor enthusiasts , the scenery alone provides ample reasons for anyone to visit and explore.

Located at the tail end of Alaska's Mendenhall Glacier, these 377-foot falls are formed from a glacial stream making their way to Mendenhall Lake in the course of a two-tiered plunge. They can be accessed by a gravel road, but they are often visited as part of an excursion to Juneau Shore or Mendenhall Lake. Whether you’re an avid hiker or just looking for some tranquil moment in nature, Nugget Falls is sure to provide a memorable experience .

4

Wailua Falls (Līhuʻe, Hawái)

Image: Zane Persaud

You may recognize these waterfalls from their appearance in the opening credits of the hit TV show "Fantasy Island". Or you may have seen them in promotional materials for Kauai, as Wailua Falls are considered the most amazing waterfalls on this scenic Hawaiian island . It is located 5 miles north of downtown Līhuʻe and although there is no walking trail, it can be easily seen from the road.

The double-flow cascade spans an 80-foot drop, thundering and crashing into a small plunge pool below. A lush jungle wall surrounds Wailua Falls, a magnificent site, especially after heavy rains. If you visit in the morning, you may be greeted by a rainbow as the sunlight hits the mist rising from the waterfall . It's an excellent photo opportunity you don’t want to miss!

5

Tahquamenon Falls (Paradise, Michigan)

Image: Dillon Austin

The astonishing Tahquamenon Falls are divided into two equally impressive sections. You can visit the Upper Falls to witness the 200-foot-wide and 48-foot-high cascades before heading to the Lower Falls, a group of five waterfalls that drop around a freshwater island. This area was first popularized by Henry Wadsworth Longfellow’s "The Song of Hiawatha", but long before that, it was used as a hunting and fishing site by the Ojibwa natives .

Nowadays, these rust-colored cascades —the result of tannins released from cedar trees upstream— are known to some as "Root Beer Falls." They are located in Tahquamenon Fall State Park, an ideal location for fishing and swimming during the summer. In winter, it becomes a snow-covered paradise for snowmobiling and cross-country skiing . No matter the time of the year, the natural scenery of Tahquamenon is truly a sight to behold!

6

McWay Falls (Big Sur, California)

Image: Jairo Gonzalez

Located on the stunning California coast, McWay Falls is a true hidden gem. With its crystal clear waters cascading directly onto the white sandy beach, this 80-foot waterfall delights all visitors with its unique beauty . If you are planning to visit Big Sur and you're looking for spectacular views, McWay Falls is a must-see!

The history of McWay Falls dates back to the beginning of the 20th century when the area was acquired by the McWay family. Julia Pfeiffer McWay, a woman with an adventurous spirit and a passion for nature, fought all her life to preserve its native ecosystem. In 1983, the site was donated to the State of California and incorporated into Julia Pfeiffer Burns State Park, named in honor of Julia's generosity.

7

Crabtree Falls (Blue Ridge Parkway, North Carolina)

Image: Leslie Cross

North Carolina has many natural wonders that can be enjoyed all year round, and Crabtree Falls is no exception. Although it’s not as popular as other waterfalls in the state, it's a site worth visiting, especially during the warmer months . Located just 45 miles north of Asheville, this 70-foot-high cascade is surrounded by an oak and hickory tree forest.

Originally known as Murphy’s Falls, this area was renamed Crabtree Falls by the National Park Service when the Blue Ridge Parkway was constructed in the 1930s. If you are a flower and plant lover, Crabtree Falls is the place to be . In the spring, visitors can find a magnificent array of wildflowers along the trail, and during the summer, ferns fill the forest with rosebay rhododendrons in bloom.

8

Havasu Falls (Supai, Arizona)

Image: Daniel Hernandez

The Grand Canyon attracts more than 5 million tourists every year and is considered one of the Seven Natural Wonders of the World. But hidden deep in the canyon, on the Havasupai reservation, there is a breathtaking site little known to most tourists: the Havasu Falls . Being in a protected reserve, a special permit is required to visit. If you're lucky enough to get one, the falls can be accessed by helicopter, horse, or mule. Another option is to hike 10 miles there and back, along a beautiful path of red rocks and ancient pictographs.

Havasu Falls is known for having a fantastic turquoise color due to the high levels of calcium carbonate present in the spring-fed waters of Havasu Creek, the main source of the waterfalls. These high levels also create the 70-degree travertine pools at the top, making them the perfect swimming spot!

9

Palouse Falls (LaCrosse, Washington)

Image: Dave Hoefler

The unexpected beauty of Palouse Falls dominates eastern Washington, attracting thousands of visitors each year to experience the 200-foot drop from a stunning rocky outcrop into a swirling blue pool. The falls are surrounded by striking cliffs and can be seen from several vantage points throughout the State Park, including the trail that hugs the canyon's rim.

Palouse Falls is the result of the last Ice Age , the product of several glacial floods known as the Missoula Floods that swept across the region, creating the unique landscape that amazes us today. If you are feeling adventurous, just pack a tent and prepare to catch one of the best sunset views the country has to offer!

10

Niagara Falls (New York)

Image: Ivan Torres

Last, but certainly not least, Niagara Falls is one of the most beautiful sights in the United States and a unique destination that attracts millions of tourists from all over the world. With a width of more than 3,000 feet and a drop of 160 ft, these three magnificent falls —two American and one Canadian— are located 400 miles from New York City. Approximately 600,000 gallons of water flow over the falls every second and the average depth underneath is 170 ft.

Named by the Iroquois tribe, the word Niagara means "thunder of water" . Since its discovery by European settlers in the 17th century, Niagara Falls has become very popular, not only for their beauty but also as a source of energy. Niagara Falls is a marvelous spectacle that will remain in the memory of all those who have the chance to explore it . There’s no doubt about it, everyone should visit Niagara Falls at least once in their lifetime!