Documentary series takes viewers back in time to see aerial footage of how earlier landscapes in China were shaped, including the Great Wall, Kublai Khan's legendary lost city and a newly-discovered city from 4,000 years ago.

An immersive, action-packed and discovery-led series following International teams of archaeologists during the excavation season in Egypt's Valley of the Kings.

This docuseries investigates billionaire New York financier Jeffrey Epstein, who is alleged to have used his connections to the rich and famous to shield his predatory behavior with young girls. Revealing how Epstein set up a pseudo sexual Ponzi scheme to bring in underaged girls, the doc delves into the aftermath the survivors are experiencing with no justice to be served.

The Discovery Channel's Shark Week, first broadcast on July 17, 1987, is a weeklong series of feature television programs dedicated to sharks. Held annually, normally in July or August, Shark Week was originally developed to raise awareness and respect for sharks. It is the longest-running cable television programming event in history. Now broadcast in over 72 countries, Shark Week is promoted heavily via social networks like Facebook and Twitter.

Host Felipe Castanhari explores science, history, mysteries and marvels, uncovering mind-blowing facts with help from his lab buddies.

The key to solving the toughest homicides lies somewhere in the final hours of a victim's life. In each one-hour episode of A Time to Kill, determined investigators must piece together events during this critical window to reconstruct the timeline, unlock the motive, and ultimately close in on the killer.