NASA astronaut Kjell Lindgren, backup pilot for the first commercial crew launch on the SpaceX Falcon9, talks about the historic moment in space travel and his journey to the International Space Station as part of Expedition 44/45.

Adrian Ballinger summited Everest without supplemental oxygen in 2017, and then set his sights on a new challenge, taking on the world's most dangerous mountain, K2 of the Karakoram Range.

Ami Vitale talks about her time in Kashmir as a conflict photographer, and how it led her to Africa to study the relationship between humans and wildlife in Northern Kenya.

Olivier Schneider (martial artist) talks about his journey to coordinating the biggest fight scenes in film. From the iconic action picture "Taken" starring Liam Neeson, to the upcoming James Bond movie "No Time To Die" starring Daniel Craig, to the recently released revenge thriller "The Rhythm Section" starring Blake Lively and Jude Law.

Aaron Fitzgerald (stunt helicopter pilot for Hollywood and Red Bull) discusses his early days as a paratrooper; flying chase during the Baja 500 and Baja 1000 races; as well as his aerial work in film including the Netflix military thriller “Extraction”.

Brian Skerry (marine photographer) shares his experience diving with North Pacific Humpback whales in Maui while filming for National Geographic's "Born Wild", as well has his upcoming whale project with James Cameron.

Stephen Wilkes (National Geographic photographer) reminisces about a mind-blowing experience he had spending a day next to a watering hole in the Serengeti National Park in Tanzania for his legendary "Day To Night" series, as well as photographing albatrosses in the Falkland Islands.

Neil deGrasse Tyson (astrophysicist; director of the Hayden Planetarium) discusses our current need for scientific curiosity, looking through the most powerful telescopes in the world, and his Nat Geo series “Cosmos”.

CIA Clandestine Service veteran John Sipher discusses his early years of espionage in Moscow, facing off against the KGB, meeting his wife in Russia, and how it changed his life forever.

Conservation photographer Roie Galitz speaks about his many trips to Svalbard in the Norwegian archipelago to photograph polar bears, and how witnessing climate change up close spurred his work as a Greenpeace ambassador.