Did the Maya Empire relocate to America? How did Merriweather Lewis really die? Where did the Ark of the Covenant end up after being smuggled out of Jerusalem? Explorers Justin Fornal and Emiliano Ruprah use historical maps as well as modern imaging techniques to examine these and other mysteries.
In a defining moment for the natural world, Gordon Buchanan makes an epic journey round the equator - taking to the skies with experts racing to protect both wildlife and people.
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.
The rise of the independent record industry in Scotland and why it continues to produce some of the most interesting and influential pop music in the world - as told by the indie pioneers and global superstars who made the music, the people behind the scenes, and the fans.
In 1976, young Sikh Gurdip Singh Chaggar is murdered in west London. The National Front are rising. So young British Asians join forces to defend themselves.
The Richard Dimbleby Lecture was founded in the memory of Richard Dimbleby, the BBC broadcaster. It has been delivered by an influential business or political figure almost every year since 1972.
How do investigators find missing persons? Watch dramatizations mixed with interviews of actual law officers to find out how some of the most complex cases have been pursued.