1

Hawaii Volcanoes National Park, Hawaii

Image: Mandy Beerley

If you've ever imagined what hell might look like, Hawaii Volcanoes National Park could come close—not because it’s a place of suffering (you'll actually witness some of the most incredible views on Earth), but because it's full of glowing, molten, menacing lava. The lava flows from Kīlauea, one of the most active volcanoes in the world. But not everything here burns; this national park is also home to unique flora and fauna.

2

Grand Prismatic Spring, Wyoming

Image: Dan Meyers

What you're looking at might resemble a weather forecast map, but it's not. It's the Grand Prismatic Spring, Yellowstone's most famous hot spring. With its brilliant blue, orange, yellow, and green hues, it looks like a surrealist painting. Although it might look small in pictures, the Grand Prismatic Spring is huge—about 370 feet in diameter and 160 feet deep. That makes it the largest hot spring in the US and the third largest in the world!

3

Antelope Canyon, Arizona

Image: Fudo Jahic

If you want to feel like you're walking through a giant red stone maze, Antelope Canyon near Page, in northern Arizona, is the perfect spot. Carved over thousands of years by flash floods and erosion, its towering walls allow sunlight to stream in from above, creating an unforgettable experience for visitors.

4

Painted Hills, Oregon

Image: Ashley Bard

If an artist were to paint a series of enormous hills in vibrant colors, it would probably look a lot like Oregon's stunning Painted Hills. Located within the John Day Fossil Beds National Monument, these hills display stripes of red, yellow, gold, and black. But that's not all! The colors shift with the seasons and change throughout the day, creating a breathtaking, ever-changing landscape.

5

Mendenhall Glacier Ice Caves, Alaska

Image: Salomé Guruli

Exploring caves can be risky and terrifying for many, but imagine a cave system made entirely of ice! It sounds like something from a fantasy movie, but it really exists—and it's in Alaska. The stunning Mendenhall Glacier Ice Caves lie beneath the glacier of the same name, formed by meltwater carving tunnels and chambers deep within the ice.

6

Turnip Rock, Michigan

Image: Maria Teneva

Turnip Rock, located in the famous Lake Huron in Michigan, is as fascinating as it is mysterious. What makes this rock so special? Standing about 20 feet tall, it has a turnip-like shape—its narrow base supports a much wider top—giving it a perfectly balanced appearance that amazes all who see it.

7

Hubbard Glacier, Alaska

Image: Peter Hansen

The Mendenhall Glacier Ice Caves are just one of Alaska's many spectacular sights. Another must-see is the incredible Hubbard Glacier in southeastern Alaska, one of the largest and most active tidewater glaciers in North America. Trust us— its sheer size and dramatic ice cliffs will absolutely blow your mind!

8

Bisti/De-Na-Zin Wilderness, New Mexico

Image: Robert Harkness

When it comes to surreal landscapes, New Mexico's Bisti/De-Na-Zin Wilderness can't be left out. Its towering rock formations, blending shades of white, gray, red, and orange, were shaped by erosion and look like something straight out of another planet!

9

Mammoth Cave, Kentucky

Image: Adrien Tanic

A cave doesn't always have to be a small, cramped space. Mammoth Cave stands out with its enormous underground chambers, filled with impressive rock formations in both shape and size. In fact, it's the world's longest-known cave system—and it's right here in the state of Kentucky!

10

Atchafalaya Basin, Louisiana

Image: Carlo Lisa

If you're easily spooked, Louisiana's Atchafalaya Basin might not be your idea of a fun trip, especially at night! It's the largest swamp and wetland area in the US, packed with twisting bayous, spooky cypress trees, and massive alligators lurking around.

1

Albuquerque International Balloon Fiesta

Image: Rory McLaughlin

This festival is a visual feast. If a single hot air balloon in the sky attracts a lot of attention, imagine hundreds of them flying at the same time!

In the 1970s, a group of hot air balloon fans got together in Albuquerque, New Mexico , and decided to honor their passion by creating this festival, which was held for the first time in 1972. In that inaugural year, there were just over 10 balloons, a big difference from the hundreds and hundreds you can see at the festival today.

The Albuquerque International Balloon Fiesta is held annually in early October and lasts for nine days! If you want to go, start planning your visit, as around 800,000 visitors attend the event every year.

2

Coachella

Image: Eric Ward

This is the Coachella Valley Music and Arts Festival, better known as just Coachella.

With the goal of bringing together artists from different genres, Paul Tollett and Rick Van Santen launched the festival in 1999 . Set against the backdrop of the Coachella Valley in the Colorado Desert, the music and dancing create a unique experience.

Although it didn't take place in 2000, Coachella became an annual event starting in 2001 and has grown ever since. Considered one of the largest and most popular music festivals in the world, it attracts around 250,000 people every year.

If you want to enjoy several days of music against a beautiful landscape, you have to attend Coachella. But wait—if you decide to go, don't forget to plan your outfit carefully!

3

Mardi Gras

Image: Carol Highsmith's America

It was the French who brought this tradition to America in the late 17th century. The first American Mardi Gras took place in 1703 in Mobile, Alabama. However, the city of New Orleans, Louisiana, made the celebration famous.

Held annually during the last day of Carnival—that is, the day before Ash Wednesday—Mardi Gras displays its renowned parade full of masks and costumes attracting over a million visitors every year! The celebration is so important that it was declared a legal holiday in Louisiana so everyone can attend.

If you want to experience this incredible festivity and taste some delicious King Cake, you must go to New Orleans for Mardi Gras!

4

South by Southwest (SXSW)

Image: Joey Thompson

Roland Swenson, Louis Black, and Nick Barbaro met in Austin, Texas, in 1987 with a shared idea. They felt that local bands and musicians deserved a chance to showcase their talents. And so South by Southwest was born. Today, the event has grown so much that it is now a massive festival that celebrates not just music but also movies!

SXSW is held in Austin every March, spanning around 10 days. If you are interested in tech, entertainment , and the media industry in general, you can't miss this festival, which attracts about 500,000 people!

5

New Orleans Jazz Festival

Image: JosephHershMedia

Mardi Gras is not the only massive festivity held in New Orleans . The city also hosts the spectacular New Orleans Jazz & Heritage Festival, a major celebration of music and culture.

As the name implies, this festival celebrates jazz music and everyone who loves and plays it, along with other genres like blues,R&B, and gospel. It was founded by George Wein, a music promoter, and was first held in 1970.

This popular event, which includes music, dance, art, and food, takes place over two weeks each spring, between April and May, attracting an impressive 500,000 visitors every year.

6

The Aloha Festival

Image: Taylor Friehl

If you are looking for paradisiacal landscapes, the Aloha Festival is your destination. It takes place every year during September, and you've probably guessed where: in the beautiful state of Hawaii .

With the aim of celebrating and honoring Hawaiian culture, this festival was established in 1946 . Today, the festival spans about two weeks, during which visitors and locals come together to enjoy hula dancing, parades, contests, and art exhibits. It is also a great opportunity to discover delicious Hawaiian dishes .

If you haven't planned your vacation yet, September is the perfect time to visit Hawaii!

7

Chicago Air and Water Show

Image: Nicolas Radzimski

If you're still thinking about the Albuquerque hot air balloon show, we have another celebration that takes place in the sky : the incredible Chicago Air and Water Show.

This show emerged in 1959 as a way to showcase the capabilities and skills of military aircraft and offer an exciting spectacle for people in Chicago. Over the years, the event has become one of the most famous air and water shows.

It is usually held during the third weekend of August. If you want to see aerial tricks and performances—including incredible moves by the famous U.S. Navy Blue Angels and U.S. Air Force Thunderbirds—this festival is the show for you. Just be sure to plan your trip in advance, as it attracts an impressive 2 million spectators each year!

8

Comic-Con

Image: Kashawn Hernandez

Perhaps all you need to create a world-famous event is a group of enthusiastic people who share the same passion as you. Such was the case for the group of comic book fans who gathered in San Diego, California, and held the first Comic-Con in 1970 . Their goal was to celebrate everything from beloved comics and iconic characters to movies, TV series, video games, and pop culture.

Today, Comic-Con has spread around the world. The San Diego convention, in particular, remains one of the most prominent, with around 140,000 people each year.

Many attendees come dressed as their favorite heroes and characters, playing the roles and trading memorabilia with other fans. The event also attracts well-known actors, authors, cartoonists, directors, and animators, so you might meet one of them during your visit!

9

The Sundance Film Festival

Image: Myke Simon

This festival was born in 1978 as the Utah/US Film Festival in Salt Lake City, with the intention of showcasing independent American cinema. A few years later, it was moved to Park City, and it was renamed the Sundance Film Festival in 1985 after Robert Redford's character in the 1969 film Butch Cassidy and the Sundance Kid .

Today, it is a major festival that showcases various film categories and genres, gathering around 120,000 people each January. In addition, the event attracts talented directors, screenwriters, and actors.

If movies are your thing, you know where to run next January!

10

Burning Man

Image: Sasha Matveeva

In 1986, Larry Harvey and Jerry James gathered on Baker Beach in San Francisco, California, and built a large wooden effigy. They then decided to set it on fire , which led to the birth of the Burning Man Festival.

What started as a spontaneous act then grew into an annual event, attracting more and more people each year. The lack of space made that, in 1990, the event was moved to the Black Rock Desert in Nevada, where it is still held today.

Each year, around 70,000 people unite in the desert for 9 days between August and September, performing artistic expressions and exchanging products and gifts. The event culminates in the incredible burning of the effigy, also known as "The Man." If you enjoy adventure and don't mind "a bit" of fire, you must attend this festival!

1

American Alligator

Image: Joshua J. Cotten

Let's start with a powerful one. While they say not to judge by appearances, only one look at an American alligator's face can confirm it might not be the friendliest creature around.

Populating freshwater habitats in the southeastern U.S., males can grow up to 15 feet long. In addition to their impressive size, they have incredibly strong jaws , one of the most powerful in the animal kingdom.

American alligators are also excellent hunters, as they know how to blend into their surroundings while waiting for prey to approach. Clever tactics!

2

Western Diamondback Rattlesnake

Image: Amber Wolfe

The American alligator is not the only reptile on this list. We also have the stellar presence of the impressive Western diamondback rattlesnake. With a name like that, how could it possibly go unnoticed? But believe us, its name is not the only surprising thing about it.

This reptile has particularly large fangs compared to other snakes, and what's even more fascinating is that they are quickly replaced if one breaks or gets damaged. When this carnivorous predator confronts its prey —generally rodents, birds, or some other reptiles— it uses those fangs to inject its venom , a toxin capable of hindering coagulation and even causing tissue damage.

3

Grizzly bear

Image: Becca

This huge creature is far from a cuddly care bear. We are talking about the fearsome grizzly bear, a giant that can weigh up to 1,500 pounds and reach 10 feet tall when standing on its hind legs.

And as if its size were not enough, the great strength of this beast and its territorial nature make it a threat to other species. In addition, despite being omnivores, their sharp claws and large teeth make them tough predators.

One more scary detail: Don't be fooled by its size; grizzly bears can reach speeds of up to 35 miles per hour!

4

Cougar

Image: Robert Sachowski

"Cougar" is a nicer name for the creature also known as a mountain lion, an impressive feline that ranks as the second-largest cat in the Americas, just behind the jaguar.

The cougar can weigh up to 220 pounds and measure up to 8 feet long. Can you imagine a kitten that size? With its claws, teeth, and pointed ears! Despite its name, the mountain lion can adapt to different environments: cold mountains, forests, and even deserts.

But what truly distinguishes this animal is its stealthiness. This solitary creature is an intelligent and cautious predator, approaching its prey slowly and quietly until it's time to attack.

5

American bison

Image: Leslie Driskill

If you got shocked by the 220 pounds of the cougar or the 1,500 pounds of the grizzly bear, just wait until you hear how much the American bison can weigh.

Males of this imposing animal can reach 2,000 pounds! In addition, some specimens reach 6.5 feet from hoof to shoulders. Despite its size and strength, the American bison is an herbivore , which means it doesn't attack other animals for food.

But wait, if this beautiful animal gets angry, its defense can be truly intimidating; just picture a horned creature of that size approaching. It can also run at a speed of up to 35 miles per hour! Definitely an incredible animal.

6

Black widow spider

Image: Jared Subia

The black widow is not only a comic book character but also one of the most feared creatures on this list. This arthropod lives throughout the southern and western United States, as it prefers warm, dry climates.

Unlike other animals, the black widow is a threat to other species and also to its own. This spider's name comes from its notorious behavior: sometimes, the female devours the male.

In addition to this creepy detail, its appearance is also spooky. It has a shiny black body with a bright red marking on its abdomen. But that's not all; this spider also has potent venom used to immobilize its prey. Fortunately, experts say it typically only bites in self-defense.

7

Great white shark

Image: Gerald Schömbs

5,000 pounds , 20 feet long, and several rows of sharp teeth capable of delivering a bite force of up to 4,000 pounds per square inch; this is the impressive great white shark.

Despite its size, it can swim agilely with a speed of up to 25 miles per hour. This fearsome predator, found along both the Pacific and Atlantic coasts of the United States, uses all its advantages to attack its prey quickly and surprisingly.

While their visibility is low, they rely on their ability to perceive the electromagnetic fields of other creatures! Looks like an invincible predator, doesn't it?

8

Black bear

Image: Greg Johnson

While slightly smaller than the grizzly bear, the black bear is still intimidating. With an average weight of 450 pounds , it's a large animal, equipped with sharp claws and teeth that can quickly appear if it or its cubs feel threatened.

In addition to their speed of up to 30 mph, these agile animals can also climb trees! And yes, the myth is true: they do love honey (who wouldn't, right?).

Here's another fun fact: despite their name, black bears can have black, brown, or blond fur.

9

Coral snake

Image: MART PRODUCTION

The rattlesnake isn't the only snake making this list. The coral snake definitely earned its spot, too.

Famed and feared worldwide, this snake species possesses a potent venom that can immobilize and cause respiratory failure in its prey. In addition, its small size (about 2 to 3 feet in length) helps it go unnoticed by other animals before it bites them.

Found in the southeastern United States, the coral snake is known for its impressive appearance but is generally not very aggressive unless provoked. Did you know other snakes mimic the coral snake's colors to appear more intimidating and keep predators away? You know, nature is wise.

10

Fire ants

Image: oktavianus mulyadi

This list isn't just about huge horns, sharp teeth, and hefty bodies; there are also creatures the size of a rice grain.

We're talking about fire ants, tiny but strong insects with a fearsome reputation. Why is the aggressiveness of such a small creature so scary? Well, because their stings are really painful , something that no animal species would want to experience. But that's not all; fire ants have the ability to sting and bite at the same time, causing pain, itching, and burning.

Like all ants, they have a very organized society . Every time they perceive their colony threatened, they launch a chemical alarm and start defending their home like an army!