This nature series’ new technology lifts night’s veil to reveal the hidden lives of the world’s creatures, from lions on the hunt to bats on the wing.

A look at the work of high court enforcement officers, also known as sheriffs, as they strive to retrieve cash for members of the public that are owed money

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Maritime mysteries — old and new — come to life in this 10-episode series, combining scientific data and digital re-creations to reveal shipwrecks, treasures, and sunken cities on the bottom of lakes, seas and oceans around the world.

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Border Wars is an American documentary television series on the National Geographic Channel. The program follows agents of the U.S. Border Patrol, U.S. Customs and Border Protection, Immigration and Customs Enforcement, and other divisions of the Department of Homeland Security as they investigate and apprehend illegal aliens, drug smugglers, and other criminals violating immigration to the United States and customs laws. The series also follows Air Interdiction Agents, and Marine Interdiction Agents who patrol along the U.S.-Mexico border, as well as southern Florida and Puerto Rico.

Take an intimate look at the emotionally charged first and last days of new and soon-to-be released inmates at Georgia’s Gwinnett County Jail.

With the explosion of infographics and big data, maps aren’t just about geography anymore. They can tell us all kinds of things about the human experience. National Geographic Channel’s new series “The Big Picture With Kal Penn” is all about finding the unexpected — and sometimes surprising — realities in both the world at large and our own backyard, revealed by crunching the numbers and finding new ways to visualize data. Host and producer Kal Penn is taking viewers on a journey to understand how things like money, sex, food, sports and crime influence our daily lives. Exploring and generating infographics from information banks and data analyses, we investigate different themes through the mapping of new data, the creative visualization of information, and in-depth personal stories with fascinating characters.

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These are the true stories of the innocent and the unimaginable. Based on true events, A Haunting dramatises some of the scariest stories, revealing a world in which tragedy, suicide and murder have left psychic impressions so powerful that innocent people become forced to deal with them decades later. Through mesmerising first-person accounts, the mystery and origin of each haunting is powerfully revealed and leaves a lingering sense that life – and death – are much stronger then anyone could have possibly imagined.

Intimate access to the emotional scars of those who have suffered as victims of extreme obsession.

Griff Rhys Jones explores Africa the unhurried way, as he takes to the continent’s railways to immerse himself in the joy and sometimes the frustration of travelling through a beautiful and beguiling continent, using the most romantic method of transportation. Travelling a total of 7000 miles over five journeys, he explores fascinating landscapes, encounters unforgettable wildlife and meets extraordinary people. Stunning aerial photography combines with observational travelogue to produce a fresh portrait of Africa through Griff’s experiences on and off the train. On each epic trip across five episodes, he discovers how the railway reveals a great deal about the places he travels through. Griff uses the train to get to unexpected places in deserts and forests, villages and cities, learning stories of their past and finding out how they are used today. Griff travels th