Kate Middleton smiled at Prince William while on the Howth Cliff Walk during their March 2020 trip to Dublin, Ireland.

“We made it!” is what Reese Witherspoon said when she hiked to the top of Sedona, AZ, USA’s Brins Mesa Trail in October 2018.

“Hike it out” is what Juliette Lewis was doing when she spent time in October 2018 at Malibu, CA, USA’s Zuma Ridge Trailhead.

“You can’t tell how out of breath we are here” is what Kelsea Ballerini said when she and a friend hiked Missoula, MT, USA’s The M trail in September 2018.

Lo Bosworth was on the Paseo Miramar trail in Pacific Palisades, Los Angeles, CA, USA in July 2018.

Jennifer Garner completed “A perfect morning hike” in March 2018 on Honolulu, Oahu, HI, USA’s Koko Crater Railway Trail.

Ashley Judd enjoyed some “Morning tea” in March 2017 while crouching by a river along the Appalachian National Scenic Trail.

Mayim Bialik hiked the Andreas Canyon Trailhead in Palm Springs, CA, USA in February 2018 and called it a “Really special place to hike.” She described the area as “Lush and gorgeous palm trees and a cold creek amidst desert rocks and cactus” and recommended, “it’s worth exploring if you’re near there. Very peaceful.”

Autumn Reeser hiked the Eagle Rock Canyon Trail in December 2017.

Jamie Chung shared in December 2017 that she and Bryan Greenberg went on a “4 day hike on the famous” Inca Trail to Machu Picchu and added, “After 28 miles with peaks reaching up to 13,776 feet above sea level, we completed the Inca Trail! It was an adventure to remember. A physical challenge that I never thought I would complete.”

John Stamos snapped a selfie while enjoying the San Antonio River Walk in October 2017.

Becca Tobin climbed the steps of the Path of the Gods in October 2017.

Bridget Marquardt sat on a bench in front of a huge house while on the Newport Cliff Walk in September 2017 and teased, “Spending some time at my little summer cottage in Newport, RI.”

Omarion went on the Chandler Bikeway for a two-hour, 19-mile bike ride in September 2017.

Cobie Smulders came to Black Dragon Canyon in August 2017 and described it as “Fricken Dope.”

Julia Louis-Dreyfus hiked the Cold Spring Trail “to #eastcaminocielo” in August 2017 and said, “Top of the world, Ma! Top of the world!”

Bryce Dallas Howard shared a shot in July 2017 of her time “On the Routeburn Track, one of the astoundingly beautiful Great Walks of New Zealand.”

Kourtney Kardashian had Reign Disick on her back and Penelope Disick by her side to hike the “sconset bluff walk” together in July 2017.

Oprah did some “Hiking in Juneau” on the Mount Roberts Trail in July 2017 — She spotted a “gorgeous waterfall,” crossed a bridge, and paid attention to “the black bear warning,” saying, “You know what I’m thinking about right now? The Revenant. And my name ain’t Leonardo DiCaprio, OK? That’s all I can tell ya.”

During a “Day off in beautiful Vail” in July 2017, Kaley Cuoco explored Adventure Ridge with friends.

Monkey Rock off Tunnel Creek Trail was the destination in July 2017 for Melissa Joan Hart, who’s said she “Hiked today with the littles while my big guy tried his tires at mountain biking for the first time” and said it was “Challenging for all.”

Melanie Griffith photographed a bubbling brook while on the Hunter Creek Trail in July 2017.

While checked in at the East Of Aspen Trail in July 2017, Jessica Lowndes said she had “Just finished the most beautiful bike ride!”

Ryan Reynolds said he “Went for a hike and saw this” — the Cable Pool Trail sign — and said, “It’s also a sign.”

Julianne Hough got to the top of Cahuenga Peak and took a picture with the Wisdom Tree in November 2017.

Monique Coleman made it to the fence of love locks here in June 2017.

New Kids on the Block’s Joey McIntyre checked in at Oak Street Beach while riding a bicycle along the Chicago Lakefront Trail in June 2017.

“Lurking this hike like . . .” is what Holly Madison said when she sat inside a tree trunk here in June 2017.

Kate Bosworth came to World’s End in June 2017 and saw both the “New art installation” made of mirrors and some “Turkey xing!”

Casper Smart went to Wildwood Regional Park with his dog in June 2017 and shared, “Took champ on a hike to #paradisefalls yesterday. He loved it.”

Orlando Bloom was “ready for the up” when he went biking on the Backbone Trail in June 2017. When he got to the top, he said, “I’m all the way up.”

Kourtney Kardashian tackled these stairs during one of her April 2017 workouts.

Freida Pinto felt “Freeeeeeeeeeeeeeeee!!!” and made “Memories, Memories!!” when she climbed Inspiration Point in April 2017.

Martina McBride came to Tuacahn in March 2017 and said, “Did a little hike today in Ivins, UT. Beautiful!”

“California + rain = this” was the equation Julia Louis-Dreyfus shared about her time hiking the lush Romero Canyon in February 2017.

Emmy Rossum saw a waterfall here when she went “hiking with wolves” in January 2017.

Autumn Reeser was “hiking my beloved California” here in January 2017 with one of her sons and said, “Little guy made it all the way to the waterfall!! 3-mile hike! Lots of water crossings, mud and lush greenery from all the recent rain made it into a real adventure.”

In November 2016, Prince Harry “unveiled the Vermont Nature Trail in St Vincent as part of the @queenscanopy – The Queen’s Commonwealth Canopy project.”

Catherine Giudici was “On the trail again” when she and “my boys” walked the Katy Trail together on a September 2016 morning.

Victoria Justice walked up the Micheltorena Stairs in August 2016 and said, “Came across these amazing stairs the other day!”

Julianne Hough posted a family picture in August 2016 that showed the group biking the “#hiawathatrail” and she captioned it with, “Love these crazy siblings of mine!”

Andrea Barber “Channeled my inner Scott Jurek” — an American ultramarathoner — “and took our run on” the Pequot Trail in July 2016.

Kendra Wilkinson-Baskett brought her kids to Pfeiffer Falls Trailhead in July 2016 and said, “I’m tryin to bring out their tree hugger hippie side that I have. This trip was def a good start.”

Melissa Joan Hart and her family hiked Eagle Falls Trailhead “at the incredible Vikingsholm Mansion site in Emerald Bay” and called the site “#Amazeballs!”

Seth Green hiked the Kalalau Trail in June 2016 and described it as “Beautiful scenery, terrible muddy conditions. Truly the most challenging hike I’ve ever done, but surviving those kids of challenges can be its own satisfaction.”

Lauren Parsekian walked the Jud Wiebe Trail in May 2016 with Sophia Bush and said, “Earth kills it.”

Alessandra Ambrosio completed a “#healthyhike” here on a sunny “S U N D A Y” in April 2016.

Lauren Parsekian shared a throwback photo in January 2016 of “when 7 people, some close friends and some complete strangers, met in Peru and hiked” the Salcantay trail for four days to Machu Picchu.

A bikini-clad Hilary Duff held up two peace signs while at the Na’ili’ili-Haele Stream & Waterfalls (Bamboo Forest) as she celebrated the fact that she “Climbed to the top of this bad boy barefoot.”

Jack Osbourne and his daughter “Went on a little adventure” doing some hiking together at Falls Creek Falls in September 2015.

Emmy Rossum posted a throwback photo of her “happy day . . . at Stewart Falls” in June 2015.

Wilmer Valderrama said in June 2015 that The Boardwalk at Lady Bird Lake is “My favorite part of the runs we go on in Austin.”

Jessica Lowndes went on a hiking adventure at Murphy’s Ranch in March 2015 and explained the location was “Originally built to be a base and refuge for Nazis during the world war… Now it looks more like an urban art museum!”

Nolan Gould went “Hiking through abandoned zoo enclosures” at the old Griffith Park Zoo in January 2015.

Freida Pinto was excited she “Made it!” to “Inspiration point, Santa Barbara.”