Step onto the set of the highly anticipated HBO drama series "Boardwalk Empire" in this special behind-the-scenes look featuring interviews, clips from the show, and more.

A 30-minute documentary from HBO, "Atlantic City: The Original Sin City." It's a companion piece to the series, and originally aired on HBO just prior to the series premiere. It includes interviews with many of the experts on Atlantic City history, including Nelson Johnson (author of Boardwalk Empire), Allen "Boo" Pergament, Heather Halpin Perez, Ralph Hunter, Vicki Gold Levi, Turiya S. A. Raheem, and Bryant Simon. It also includes executive producers Martin Scorsese and Terence Winter, as well as the research advisor for the series, Ed McGinty.

A behind the scenes look at the series as a whole, interviews with cast, crew and creators on the whole journey.

See how the amazing 300 foot boardwalk set was created to bring Prohibition-era Atlantic City to life.

Get an insider's tour of some of the famed Prohibition speakeasies in Chicago and New York with cast members from "Boardwalk Empire".

Learn more about the production process from the cast and crew, and discover the real-life history that inspired the show from noted Atlantic City historians.

Revisit season one of Boardwalk Empire with Creator/Executive Producer Terence Winter in this 15-minute recap.

Look back in time and discover the styles, sounds, and events that defined 1921 in this comprehensive guide.

Explore the legacy of the 1920s and get an inside look at the styles and trends that made the decade "roar".

Production Designer Bill Groom, and Creator/Executive Producer Terence Winter discuss the new sets of season two.

Get acquainted with the two new major characters in season two: Owen Sleater and Manny Horvitz.

Look back at season two of Boardwalk Empire with this 14-minute recap featuring Creator/Executive Producer Terence Winter.

Explore some of the real-world events and historical figures that inspired Boardwalk Empire season three.

Hear Boardwalk Empire directors Tim Van Patten and Allen Coulter break down key scenes from season three, and how they approach taking the series from the script to the screen.

Award-winning Director and Executive Producer Martin Scorsese provides a unique and detailed perspective on the third season of Boardwalk Empire.

Meet the new faces of season three: Gyp Rosetti, Billie Kent, Gaston Means, Dean O'Banion, and Benny Siegel.

Get reaquainted with Season 3 of "Boardwalk Empire" with this 14-minute recap featuring Creator/Executive Producer/Writer Terence Winter.

Hear how the Locations Manager of "Boardwalk Empire" finds the unique buildings and neighborhoods that bring the 1920s to life in each episode.

An exclusive behind-the-scenes look at the creation of, and historical inspiration for the massive new set in Season 4 - The Onyx Club.

Actor Jack Huston details the origins, story arc, and evolution of fan-favorite character Richard Harrow.

A Q&A with Creator/Executive Producer/Writer Terence Winter, Executive Producer/Writer Howard Korder and cast members of "Boardwalk Empire" after a screening of Episode 5, "Erlkönig". Courtesy of The Paley Center for Media.

Meet the new characters introduced in Season 4: Dr. Valentin Narcisse, Roy Philips, Agent Knox, Sally Wheet, Frank and Ralph Capone and Daughter Maitland.