1

Appalachian Trail, Shenandoah National Park, Virginia

Image: Wes Hicks

Yes, the entire Appalachian Trail is extremely long. Actually, it is over 2,190 miles long. But, the Shenandoah National Park, 75 miles from Washington, D.C., has over 500 miles of hiking trails, including more than 100 miles of the Appalachian Trail ; You can tackle a small section in a day’s hike.

The park is the perfect place to explore the great outdoors in Virginia and it consists of 200,000 acres of protected land that are home to animals like deer and songbirds.

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Burroughs Mountain Trail, Mount Rainier National Park, Washington

Image: Scott Longerbeam

More than 260 miles of maintained trails lead visitors through peaceful old-growth forests, river valleys, and subalpine meadows on the Mount Rainier National Park in Washington state.

The park is home to one of the most iconic mountains in the world: Mount Rainier rises 14,410 feet above sea level straight into the clouds. Check out the Burroughs Mountain Trail for stunning views of mountain peaks and the alpine landscape.

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Rim Trail, Bryce Canyon National Park, Utah

Image: Tim Golder

Bryce Canyon National Park in Utah is home to the largest collection of odd-shaped pillars of rock left standing from the forces of erosion, known as hoodoos. Many of them can be viewed from the 5.5-mile Rim Trail .

The park also offers hikes for all levels, including backcountry options for those looking for a little added adventure and guided Full Moon Hikes for night-owl explorers.

4

Upper Emerald Pools Trail, Zion National Park, Utah

Image: Jamie Hagan

A park filled with hiking trails for all experience levels, Zion National Park, Utah's first national park , is famous for its massive cream, pink, and red sandstone cliffs, and freestanding arches.

Hikers should attempt to visit at sunrise and sunset to enjoy the breathtaking views of sunlight splashing off the cliffs and into the rivers below. And if it is an approachable trail they’re looking for, the Upper Emerald Pools Trail is an easy hike leading to sparkling waterfalls.

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Grinnell Glacier Trail, Glacier National Park, Montana

Image: Aaron Clinard

Over 700 miles of hiking trails, including more than a dozen options around the Many Glacier area , like the popular Grinnell Glacier Trail , can be found at the Glacier National Park.

Lucky visitors can spot some of the park's varied wildlife, including 71 species of mammals, from the tiny pygmy shrew to one of the largest remaining grizzly bear populations in the country.

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Charlies Bunion Hike, Great Smoky Mountains National Park, Tennessee and North Carolina

Image: Leslie Cross

The Great Smoky Mountains are world-renowned for its animal and plant life diversity, as well as for its miles of official and backcountry trails with views of waterfalls and old-growth forests.

The Great Smoky Mountains National Park spreads across two states and offers plenty of activities for hikers. For a particularly breathtaking vista, hike to Charlies Bunion, a popular outcropping along the Appalachian Trail.

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Billy Goat Trail, Chesapeake and Ohio Canal National Historical Park, Maryland

Image: Eduardo Gutierrez

Considered a moderate-difficulty trail, Maryland's Billy Goat Trail has three sections totaling eight miles, though portions are strenuous and challenging . Outdoor enthusiasts can experience the raging Potomac River and the rocky crags of Great Falls. The hike is very popular, so early hours are advisable to beat the crowds.

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Chautauqua Trail, Chautauqua Park, Colorado

Image: Leslie Cross

An old park, Chautauqua Park in Boulder, Colorado, has been around since 1898. The 80-acre park has miles of hiking, much of which are uphill . But there are less strenuous hikes, too, like the Chautauqua Trail, which offers views of the Flatiron mountains and Boulder.

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Canyon to Rim Loop, Smith Rock State Park, Oregon

Image: Alex Diaz

Hikers of every level can find an appropriate trail at Smith Rock State Park, in Oregon. These vary in length and difficulty, but they all offer beautiful views of the Central Oregon landscape**.**

The park offers hundreds of miles of hiking and biking trails, and visitors may spot golden eagles, prairie falcons, river otters, and beavers throughout the day.

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Petroglyph Wall Trail, Red Rock Canyon National Conservation Area, Nevada

Image: Kristin Melville

As visitors to the Red Rock Canyon National Conservation Area can testify, not all short-distance hikes are the same. Many are labeled difficult, and it can take four to five hours to complete a five-mile hike.

Along the different routes, desert wildlife can be spotted, including lizards, toads, and hawks. One of the park's most beginner-friendly hikes is the 0.2-mile Petroglyph Wall Trail , where centuries-old rock art can be appreciated.

1

George Washington - The whiskey-making Founding Father

Image: Daniel Vogel

After leading the nation, George Washington stepped into the world of spirits, whiskey spirits, that is! In 1797, his farm manager convinced him to open a distillery at Mount Vernon . Within two years, it became one of the largest in the country, producing nearly 11,000 gallons of whiskey annually.

Here’s a fun fact: Washington didn’t need a marketing team. His whiskey was sold in unmarked barrels to local merchants, and his operation was so successful that it became one of the top money-makers in the area. The best part? You can try it today at the reconstructed distillery!

2

Theodore Roosevelt - Adventurer-in-Chief

Image: Zetong Li

Not one to sit still, Theodore Roosevelt went on an exploration of the Amazon rainforest after leaving office. In 1913, he embarked on a seven-month journey to map an uncharted river . Guess what it’s called today? The Roosevelt River, of course!

The expedition was grueling: he caught malaria, suffered a leg injury, and nearly died. Though he made it back home, his health never fully recovered. Roosevelt’s post-presidency was all about adventure and risks!

3

Thomas Jefferson - The University Founder

Image: Ryan Ledbetter

Thomas Jefferson didn’t just help write the Declaration of Independence; he also founded the University of Virginia . A firm believer in education, he wanted to create a university that emphasized academic freedom and rigorous learning. So, in 1819, ten years after leaving office, he established the University of Virginia, which opened in 1825.

Jefferson personally designed the campus, including its iconic Rotunda, and hand-picked the first professors. He once called the university one of his greatest accomplishments, right up there with drafting the Declaration of Independence.

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John Quincy Adams - From President to Congressman

Image: Ian Hutchinson

John Quincy Adams didn’t believe in retirement, you know? He didn’t go back for a second term, but instead of stepping away from public service, he returned to Congress, serving in the House of Representatives for nine terms until his death in 1848.

His dedication earned him the nickname "Father of the House." Even in his final moments, he was working: he collapsed on the House floor after casting a vote and died two days later. Well, once a public servant, always a public servant.

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William Howard Taft - From President to Supreme Court Justice

Image: Adam Michael Szuscik

Most former presidents take a step back from government, but William Howard Taft went in the opposite direction. After serving as the 27th president, he was appointed Chief Justice of the Supreme Court in 1921.

He later admitted that being on the Supreme Court was his true calling, famously stating, "I don’t remember that I ever was president." Taft remains the only person in history to have served in both roles! Talk about an upgrade!

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Calvin Coolidge - Presidential columnist

Image: AbsolutVision

Some former presidents write memoirs, but Calvin Coolidge took it a step further. From 1930 to 1931, he wrote a nationally syndicated newspaper column titled Thinking Things Over with Calvin Coolidge .

His articles covered a range of topics, from politics to everyday life. As it turns out, running a country gives you plenty to write about!

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Jimmy Carter - The humanitarian president

Image: Library of Congress

If there’s one president who redefined life after the White House, that is Jimmy Carter. In 1982, he founded the Carter Center , a nonprofit organization focused on democracy, health, and human rights.

He has also spent decades working with Habitat for Humanity, personally helping to build homes for those in need. In 2002, Carter’s humanitarian work earned him the Nobel Peace Prize, making him the only former president to receive the honor for efforts made after leaving office. He once said his post-presidency was "more gratifying" than his time in politics. Only logical, right?

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Ronald Reagan - A Knight of the Realm

Image: Annie Spratt

Yes, that’s a literal title. Ronald Reagan didn’t take up a new career after leaving office, but he did receive an unexpected knighthood from Queen Elizabeth II. In 1989, just months after stepping down as president, he was made a Knight Grand Cross of the Most Honorable Order of the Bath.

While it’s a prestigious honor, American citizens aren’t allowed to use the title "Sir," so there was no "Sir Ronald" in the works. Reagan wasn’t the only president to receive this honor; Dwight Eisenhower and George H.W. Bush were also knighted.

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Bill Clinton - Grammy-winning storyteller

Image: Annie Spratt

Bill Clinton has always been a gifted speaker, so it’s no surprise that he won not one, but two Grammy Awards, though they weren’t for playing his famous saxophone. He won Best Spoken Word Album in 2004 and 2005, narrating both a children’s book and his autobiography.

Clinton joins a small but prestigious club of American presidents who have won Grammys, including Barack Obama and Jimmy Carter. His ability to captivate audiences didn’t end with politics; he simply found a new stage.

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George W. Bush - From the White House to the Art Studio

Image: Yannis Papanastasopoulos

After serving two terms as president, George W. Bush discovered a surprising new passion: painting. How about that? In 2012, he began taking art lessons , and by 2013, his paintings were revealed to the public following an email hack.

Bush embraced his new hobby and has since published several collections, including Portraits of Courage , which features paintings of US military veterans. His artwork has been exhibited in galleries, proving that a president can become an artist, too. While politics was his career, painting has become his personal form of expression.

1

Seattle Underground City

Did you know the remnants of Seattle's original streets are still accessible? Beneath the bustling streets of modern-day Seattle lies the Underground City , a network of subterranean passageways that formed the ground level in the 1800s.

By the end of the 19th century, after the Great Seattle Fire, it was decided to rebuild the city at a higher elevation to combat frequent flooding . So, these original streets, sidewalks, and storefronts were buried, and with it, much of their history.

Guided tours take people through tunnels and ladders and retell real and eerie stories about the history of the Underground City.

2

Luray Caverns

Image: Robert Thiemann

Have you ever heard of the underground Stalacpipe Organ ? Not only is it a one-of-a-kind interaction between keyboards and cavern stalactites, but it is also the largest musical instrument in the world, according to Guinness World Records.

This instrument lives in the Luray Caverns, Virginia. It consists of an electric console that taps on these ancient stalactites of varying sizes to produce musical tones. A subterranean wonder, these caverns are also known for their extraordinary size , housing towering stalactites and stalagmites, mirrored pools, and delicate drapery-like calcite formations.

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The Underground Gardens of Baldassare Forestiere

Image: Adrian Botica

This stunning subterranean retreat was built entirely by hand. Tucked under the sun-scorched landscape of Fresno, California, lie the Underground Gardens of Baldassare Forestiere . They are the life’s work of Baldassare Forestiere, a Sicilian immigrant who started digging in the early 1900s to escape the Central Valley's oppressive heat.

Over 40 years, drawing inspiration from ancient Roman catacombs , Forestiere carved an elaborate network of underground rooms, passageways, grottoes, and courtyards that span 10 acres.

A unique masterpiece, the gardens are open with guided tours that lead guests through beautifully designed spaces featuring skylights, arches, and alcoves. This oasis also boasts an array of fruit trees, including citrus, figs, and olives.

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Ruby Falls

Image: Goodfreephotos_com

Colorful and breathtaking, the Ruby Falls is a geological wonder located inside Lookout Mountain near Chattanooga, Tennessee.

Hidden over 1,000 feet below the mountain's surface, this waterfall cascades 145 feet into a pool , making it one of the tallest underground waterfalls open to the public.

Visitors enter the mountain and descend via elevator. Then, they walk through stunning cave formations such as stalactites, stalagmites, and flowstone. At the waterfall chamber, multicolored lights –powered by renewable energy– illuminate the falls. Lantern-lit tours are also offered as a chance to visit the marvel with a different charm.

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The Catacombs of Green-Wood Cemetery

Image: Joy Ernst

Arched tunnels of tranquil, sacred vaults lie beneath the Green-Wood Cemetery in Brooklyn, New York. Built in the mid-19th century, these catacombs were designed as a prestigious resting place for the city’s elite , prominent families.

While the catacombs are typically closed to the public, special events are sometimes organized to welcome visitors, such as art expositions, guided history tours, and candlelit tours seasoned with live music and storytelling.

Outside, where the sun does reach, await the serene landscapes and remarkable monuments of the cemetery, which is itself a National Historic Landmark .

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The Lost Sea

Image: Roberto Nickson

The largest underground lake in America is in Tennessee. Hidden within the Craighead Caverns in Sweetwater, this enormous body of water lies in a cave system filled with fascinating formations, such as stalactites, stalagmites, and rare anthodites, also known as "cave flowers."

A National Natural Landmark, this lake marvels scientists, who are yet unaware of the exact extension of its waters. Those who visit can embark on a boat ride called "The Lost Sea Adventure," first walking inside the cavern before reaching a boat to navigate these ethereal sights.

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Mammoth Cave National Park

Image: Sherin Jacob

The Mammoth Cave National Park is home to the longest cave system in the world . Located in central Kentucky, it extends over 420 miles of explored passages and many more likely undiscovered. Enormous chambers, underground rivers, a labyrinth of tunnels, and gypsum crystal formations can all be found at this site.

The park has been declared a UNESCO World Heritage Site and an International Biosphere Reserve. It also includes over 52,000 acres of protected land on the surface, renowned for its lush forests and diverse wildlife.

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Carlsbad Caverns National Park

Image: Cason Asher

A large bat colony lives in the Carlsbad Caverns National Park in New Mexico, but that’s not its only charm. The park boasts over 100 caves, with its centerpiece being the immense Carlsbad Cavern.

The cavern includes the Big Room, one of the largest underground chambers in North America, spanning 8.2 acres. Visitors can descend via an emblematic natural entrance or by elevator, dropping 750 feet underground. Stalactite formations like the Giant Dome, the Hall of the White Giant, and the Chandelier are some of the caves' breathtaking highlights.

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Indian Echo Caverns

Image: Magda Ehlers

The Indian Echo Caverns, which have been open to the public since the early 1920s, are carved into the limestone of the Appalachian Mountains. Located near Hummelstown, Pennsylvania, this site gets its name from the echoes heard within the cavern’s chambers , which were once believed to be mystical by Native American people in the area.

Unique, immersive sections of the caverns have names like the "Crystal Palace," the "Echo Room," and the "Wedding Room," where, yes, real weddings are sometimes held!

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Wind Cave National Park

Image: Francesco Ungaro

Wind Cave National Park, located in the Black Hills of South Dakota, is one of the world’s largest caves, but that’s not what it’s most famous for. One signature sight here is the boxwork formation , a rare lattice-like pattern formed by calcite deposits.

The cave system stretches for over 140 miles, though much of it remains unexplored. Popular tours take guests through captivating features like the "Ribbon Room" and the "Crystal Palace."

Why is Wind Cave called that? Mainly due to the "wind" phenomenon that occurs at its entrance. The cave's air pressure causes the entrance to draw in or expel air, depending on atmospheric conditions.