1

Hedy Lamarr

Image: Geoffroy Berlioz

Best known for her 1930s–40s film career, Hollywood icon Hedy Lamarr also co-invented frequency-hopping spread spectrum technology to prevent enemy jamming in WWII. And if you think it’s no big deal, know it’s the basis for modern Bluetooth and Wi-Fi!

While largely overlooked as an inventor at her time, she was posthumously inducted into the National Inventors Hall of Fame in 2014.

2

Sybil Ludington

Image: Taylor Brandon

According to many historians, at just 16 years old, Sybil Ludington rode about 40 miles through the night in 1777 to alert American militia of a British attack on Danbury, Connecticut.

This would make her ride roughly twice as long as Paul Revere’s . While some scholars question the veracity of her story, a statue stands in her honor in Putnam County, New York.

3

Bass Reeves

Image: Pramod Tiwari

Born into slavery in 1838, Reeves became one of the first Black U.S. Deputy Marshals west of the Mississippi. He made over 3,000 arrests during his law enforcement career.

Many historians believe his exploits may have inspired the Lone Ranger character, although his name rarely appears in history textbooks.

4

Mary Edwards Walker

Image: David Trinks

A Civil War surgeon and suffragist, Walker treated soldiers on the front lines and was even captured as a prisoner of war.

In 1865, she became the first woman to ever receive the Medal of Honor. Her unorthodox dress style and fearless activism made her a striking figure in 19th-century America.

5

Clara Barton

Image: Kevin Paes

Known as the "Angel of the Battlefield," Barton provided medical care during the Civil War and later founded the American Red Cross in 1881.

Though once a household name, her legacy has faded compared to other, more widely remembered wartime figures.

6

Joshua Lawrence Chamberlain

Image: Chris Chow

A college professor turned Union colonel, Chamberlain famously held Little Round Top during the Battle of Gettysburg, a pivotal moment in the Civil War.

He was awarded the Medal of Honor and later became governor of Maine, but his unexpected battlefield brilliance is often overlooked in Civil War discussions.

7

Robert Smalls

Image: Ian Hutchinson

In 1862, Smalls, a formerly enslaved sailor, seized a Confederate ship and delivered it to Union forces, securing freedom for himself and his crew.

He later served five terms in Congress, advocating for Black education and civil rights.

8

Harvey Wiley

Image: Diana Polekhina

Known as the "Father of the FDA," Harvey Wiley was a chief chemist in the late 1800s whose "Poison Squad" tested various food additives, leading to the 1906 Pure Food and Drug Act.

This law laid the foundation for the FDA and led to the removal of many dangerous substances from consumer products. Notably, it prompted Coca-Cola to eliminate cocaine from its formula in the early 20th century.

9

George Washington Carver

Image: Dan Meyers

More than just being associated with peanuts, George Washington Carver developed numerous innovative crop rotation methods and created over 300 uses for peanuts, sweet potatoes, and other plants to help Southern agriculture recover after the Civil War.

10

Joe Medicine Crow

Image: Boston Public Library

The last war chief of the Crow Nation, Joe Medicine Crow, completed several traditional war deeds during WWII—including counting coup and stealing enemy horses —and earned both the Bronze Star and the French Légion d’honneur.

Part of his legacy was bridging Native American warrior traditions with modern military service, honoring both cultural heritage and patriotic duty.

1

Norma Jeane Mortenson

Image: Juliane Liebermann

She’s the iconic blonde from 1950s cinema, famously portrayed by artists like Andy Warhol! Films like Some Like It Hot (1959) and Gentlemen Prefer Blondes (1953) catapulted her to stardom.

Here’s another hint: This was the real name of the woman who famously sang, " Happy birthday, Mr. President! " You got it?

2

Frances Ethel Gumm

Image: Chau Le

If we say " red ruby slippers, " who comes to mind? Remembered, among other things, for her melodious voice, this actress starred in classics like A Star Is Born (1954) and Meet Me in St. Louis (1944). But the role that made her truly unforgettable was Dorothy in The Wizard of Oz (1939). Have you guessed it yet?

3

Marion Robert Morrison

Image: Ashim D’Silva

A true gem of Hollywood’s Golden Age, this actor became a legend in Westerns and war films. His commanding presence and deep voice made him the perfect fit for roles like Ringo Kid in Stagecoach (1939) and Ethan Edwards in The Searchers (1956). His birth name was Marion Robert Morrison, but in our hearts, he'll forever be "The Duke."

4

Bernard Herschel Schwartz

Image: Jordan Whitfield

With his bright smile and clean-cut style, he was considered one of the most handsome actors of the 20th century. Bernard Herschel Schwartz starred alongside the blonde from our first entry in the legendary Some Like It Hot (1959) . One of the highlights of this blue-eyed star’s career was his versatility, as he showcased his talent in both dramatic and comedic roles.

5

Margarita Carmen Cansino

Image: Brady Bellini

If anyone ever blended talent and beauty to perfection, it was her! One of the most celebrated stars of the 1940s, she rose to fame with the 1942 film You Were Never Lovelier , but her most iconic role was in Gilda (1946) . Her elegant presence and striking red hair made her an unforgettable symbol of the silver screen. In addition, she also had a short marriage to the very famous Orson Welles. Who is she?

6

Issur Danielovitch

Image: Austrian National Library

Maybe his real name might not ring a bell, but his stage name is legendary! His career took off in the 1940s and 1950s, with tough-guy roles that made him stand out, like his performance in Champion (1949), where he portrayed a talented boxer. As a final clue, we can't forget his unmistakable cleft chin!

7

Norma Jeane Mortenson: Marilyn Monroe

Image: Susi Kleiman

Norma Jeane Mortenson was the birth name of the iconic and incomparable Marilyn Monroe! That’s right—the famous actress was born with that name on June 1, 1926, in Los Angeles, California. As her Hollywood career took off, she changed her name to Marilyn Monroe, inspired by Broadway star Marilyn Miller , a celebrated actress and dancer of the 1920s and early 1930s.

8

Frances Ethel Gumm: Judy Garland

Image: Aman

The legendary star we know as Judy Garland was actually born Frances Ethel Gumm on June 10, 1922, in Grand Rapids, Minnesota. Coming from a show-business family, she received a stage name at the tender age of 13. That's right—by that age, she had already signed her contract with MGM.

9

Marion Robert Morrison: John Wayne

Image: Eniko Polgar

Marion Robert Morrison was the birth name of one of Hollywood's most beloved and famous actors—the incredible John Wayne . He changed his name when he was still young in the early 1930s , at the start of his career, something that was very common at the time. And who chose his legendary stage name? That would be Fox Studios !

10

Bernard Herschel Schwartz: Tony Curtis

Image: Levi Meir Clancy

Bernard Herschel Schwartz may be a difficult name to remember, which is why this iconic actor changed it to Tony Curtis. Born in New York in 1925, he had a passion for acting from a young age. However, Hollywood wasn't his first career path—before pursuing acting, Curtis joined the Navy during World War II!

11

Margarita Carmen Cansino: Rita Hayworth

Image: Unseen Histories

We all remember the iconic Rita Hayworth , but many don’t know her real name—Margarita Carmen Cansino! Quite different, right? Why did she change her name? Well, when Margarita signed a contract with Columbia Pictures in the late 1930s, the studio believed she needed a shorter, more artistic, and memorable stage name. And so, Rita Hayworth was born—a star who would become an indelible part of American film history.

12

Issur Danielovitch: Kirk Douglas

Image: Natalie Parham

"Issur Danielovitch" may sound exotic, but it was the birth name of the legendary star we know as Kirk Douglas . Before rising to fame as an actor and film producer, Issur worked various jobs to help support his family. In 1940 , he made the bold decision to move to Hollywood and pursue his dream career: acting. It was then that his great stage name was born.

1

Olympic National Park

Image: Georg Eiermann

Let’s kick off our ranking with Olympic National Park, located in the state of Washington. The park was designated as a National Park in 1938 during Franklin Roosevelt's presidency.

What makes this National Park so remarkable? Well, it has three distinct ecosystems : the temperate rainforest (which is the only one in the contiguous United States), the rugged coastline, and glaciated peaks. This variety of landscapes brings a rich biodiversity to the area that is definitely worth visiting!

2

Joshua Tree National Park

Image: James Lee

We know it’s in the name, but did you know Joshua Trees aren’t actually trees ? They belong to a subgroup within the yucca species. These plants can live for over 150 years, and you can find them in this park, among other places.

Similar to Olympic National Park, this park features three separate ecosystems: a part is within the Colorado Desert, it also includes California juniper, the San Bernardino Mountains, and the Mojave Desert where you’ll find the famous Joshua trees.

If that wasn’t enough reason to pay a visit, you have to know that this park has one of the darkest skies in Southern California, providing an excellent opportunity to spot the Milky Way galaxy!

3

Grand Teton National Park

Image: Michael Kirsh

Located in Wyoming, this National Park is home to what is believed to be the youngest mountain range in the Rocky Mountains: they are only between six and nine million years old!

In Grand Teton, you’ll find incredibly tall mountain peaks (the highest reaching 13,770 feet) and a wide variety of wildlife, including grizzly bears, gray wolves, coyotes, moose, and more.

Established in 1929, the park was later combined with the Jackson Hole National Monument, in 1943. Today, the town of Jackson Hole, located to the south of Grand Teton is the main hub of activity in the area. And, if you visit, you can actually make it a two-for-one trip because it's only 10 miles away from Yellowstone National Park, which will be featured later in this list!

4

Acadia National Park

Image: Raphael Assouline

Acadia National Park receives over 3.5 million visitors each year, and that has secured a position in this ranking. The park features granite mountains, rocky coastlines, ponds, lakes, and all kinds of plants and wildlife. It is an Atlantic shoreline beauty!

The park was first named Sieur de Monts National Monument by President Wilson in 1916. In 1919, it was renamed Lafayette National Park, but that wasn’t the end of it. In 1929, the name officially changed to Acadia National Park, honoring "Arcadia," a region in Greece that is pretty similar to the park!

5

Yosemite National Park

Image: Jota Lao

Although it is not one of the top three most visited national parks in our country, the park’s popularity is undeniable because it was the one park that paved the way for the National Park System as we know it today. The establishment of this area as a national park is largely credited to John Muir, a Scottish naturalist who recorded the beauty of the area and raised awareness around it.

Today, Yosemite covers an area of 759,600 acres and is home to granite cliffs, giant sequoias, mountains, glaciers, streams, and waterfalls. It is predominantly classified as wilderness and is, of course, a protected area.

6

Rocky Mountain National Park

Image: Lauren Lopes

This national park is a gem in Colorado and the 4.5 million visitors it receives each year is a testament to that. The park boasts rugged mountain terrain, alpine lakes, and dense forests—making it simply breathtaking.

It was established in 1915, and it is home to Longs Peak , which stands at an impressive 14,259 feet, and the famous Trail Ridge Road, the highest paved road in the country! Besides, this park is home to over a thousand types of wildflowers and 280 species of birds, just to mention a few details that make it an incredible place in America!

7

Yellowstone National Park

Image: Nicolasintravel

Yellowstone National Park is a true icon of the American West, and with over 4 million visitors each year, it’s easy to see why. The park lies across Wyoming, Montana, and Idaho, and it showcases wilderness at its best: geysers, hot springs, rivers, and canyons co-exist within the area. It is also home to the famous Old Faithful , the visitor’s favorite: an ever-erupting geyser!

Yellowstone holds the honor of being the very first national park in the world, having been established in 1872. The idea of preserving this vast and unique landscape for future generations was revolutionary at the time, and it laid the groundwork for the global national park movement. Have you had the chance to visit it yet?

8

Zion National Park

Image: Jamie Hagan

This deserted wonderland is located in Utah and it is known for the towering red sandstone cliffs and deep canyons as well as the glowy rock formations .

Established in 1919, it was Utah’s first National Park, and it is home to over 100 miles of trails. Car access to the park is limited, so there are plenty of hiking trails within the area. Moreover, this park is home to the second largest freestanding arch in the world which is 287 feet in length.

If you visit the park, you will surely make a stop at the Zion Lodge. But, did you know this is not the original construction? The original structure was struck by a fire in 1960, so the one you see today is actually a second version of it!

9

Grand Canyon National Park

Image: Michael Kirsh

You probably thought this was the most visited park in our country, but there’s another that holds that title! As for the Grand Canyon, it still is incredibly popular, and receives over 6 million visitors every year!

Located in Arizona, the Grand Canyon stretches 277 miles long and a mile deep. It was established in 1919 and it is only second in the ranking due to the powerful and awe-inspiring sights. That’s why it is one of the Seven Natural Wonders of the World .

Across the canyon, visitors can enjoy the Colorado River, where water carves layers of rock that have been in the area for millions of years. No words can capture its beauty, you just have to visit it to understand it.

10

Great Smoky Mountains

Image: Micah Williams

To close our ranking, we present the most visited National Park in America: the Great Smoky Mountains. Did you guess it right? Even if you did, you would have never guessed the number of visitors right: a shocking 13 million visitors a year ! Now, the reasons? Almost as many as its visitors.

The National Park was established in 1934, but the mountains that are housed in it were formed millions of years ago. It spans the borders between North Carolina and Tennessee and it is best known for its mist-covered mountains, lush forests, and the remarkable biodiversity of plants and animals.

With 800 miles of hiking trails, among which you’ll find the Appalachian Trail, preserved historic buildings, and peaceful retreats, it’s no surprise that the number one park on our list is also a favorite among visitors. Do you agree?