Sagrada Familia - Gaudi's challenge

Learn the incredible behind-the-scenes story of how the original Star Wars movie was brought to the big screen in this fascinating documentary hosted by C-3PO and R2-D2 which includes interviews with George Lucas and appearances by Mark Hamill, Harrison Ford and Carrie Fisher.

For the 20th anniversary of "Titanic," James Cameron reopens the file on the disaster.

Stars of "The Walking Dead," Andrew Lincoln and Danai Gurira, walk down memory lane and visit iconic locations where pivotal moments between their characters, Rick and Michonne, were filmed.

With mesmerizing footage and time lapses of animators at work, this behind-the-scenes special captures the artistry of a unique tale years in the making.

A backstage and on-stage look at Justin Bieber during his rise to super stardom.

Dick Proenneke retired at age 50 in 1967 and decided to build his own cabin in the wilderness at the base of the Aleutian Peninsula, in what is now Lake Clark National Park. Using color footage he shot himself, Proenneke traces how he came to this remote area, selected a homestead site and built his log cabin completely by himself. The documentary covers his first year in-country, showing his day-to-day activities and the passing of the seasons as he sought to scratch out a living alone in the wilderness.

Egyptian archaeologists dig into history, discovering tombs and artifacts over 4,000 years old as they search for a buried pyramid in this documentary.

Follow the production of “Black Panther: Wakanda Forever” as the cast and crew take on the incredible challenge of remembering T’Challa with a chapter befitting the late king. Through intimate behind-the-scenes footage and interviews, watch Shuri take on the mantel of Wakanda’s hero and face a new foe from the ocean’s depths in Namor.

An exploration of technologically developing nations and the effect the transition to Western-style modernization has had on them.

The film follows adventurer Jeff Johnson as he retraces the epic 1968 journey of his heroes Yvon Chouinard and Doug Tompkins to Patagonia.