Bear Grylls says his latest project, Facebook Watch series "Face the Wild," aims to "celebrate some unsung heroes."

"Face the Wild," which streamed its second episode Wednesday on Facebook Watch, bears some similarities to his other currently-running series, NBC's "Running Wild with Bear Grylls," but this time the adventurer and former soldier is taking 10 of his Facebook fans along for the ride instead of well-known celebrities.

"The difference with this new show is that I get to celebrate some unsung heroes who have inspired me and I know will move so many millions who see this," Grylls told UPI.

"The 10 people I chose to adventure with were incredible -- they had all gone through so much but still had such a light in their lives. That was special to see."

"It's all about saying thank you to fans and sharing inspiration with viewers," the survival expert said. "I am so proud of the people we chose and the adventure they joined me on."

Grylls said the new show began to gestate when Facebook Live approached him about doing a series based on the "stream of cool, inspiring, moving messages" he receives on Facebook every day.

He said the people who contact him are often "asking to go on once in a lifetime adventure -- either for them or someone they love."

"Facebook Watch approached me and asked would I consider a show where we respond to that demand. It was a dream one for me," Grylls said.

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He said the show started with 100,000 messages from his fans, which were "whittled" down to "10 individuals whose stories were genuinely inspiring and who had an emotional or physical hardship they wished to overcome through an adventure together."

The famously unflappable adventurer said his guests aren't the only ones who need a little help overcoming their fears.

"Trust me, we all have these niggling fears," Grylls said. "When I was serving with the military I fractured T8 T10 & T12 vertebrae in a freefall parachuting accident in southern Africa, and ever since then I will always feel that fear when I'm about to jump or parachute during filming."

Grylls said he relies on the support of his crew members to encourage him "to face the fear once more."

"You have to face fears head on, and understand that fear is there to sharpen us," he said.

The survival expert said his on-camera bravery doesn't tell the whole story, as he has "plenty of" fears in his everyday life.

"I get really nervous at cocktail parties or social situations where there seems like no escape route!" he said.

Grylls said his off-camera adventures include working with youth as Britain's Chief Scout and visiting his family's island in Wales with his wife and three sons.

"It is where I love to spend time with the family and it always reminds me of all that really matters in life," he said.

He said the island offers its own wilderness adventures.

"We have no mains electricity or water and run everything totally off grid, but we love it. No cell phones, just us together," Grylls said.

"The boys love the life, and it is so good to see them really grow up to understand the outdoors, the seas and waves, the cliffs and caves ... I get such a kick out of seeing them thrive in those adventure environments."

New episodes of "Face the Wild" stream Wednesdays on Facebook Watch.