Dan Nachtrab

Passengers are searched for illegal objects when entering and leaving the United States by the Department of Homeland Security's Customs and Border Protection officers. Follow some of these officers at five airports across the U.S.

Homeland Security and US Customs and Border Protection investigate the hidden world of smuggling in major US ports and waterways.

India is one of the most biodiverse countries on earth. A dedicated team of conservationists and vets are on a mission to rescue animals in distress and find a way for India's people and wildlife to coexist in harmony.

Using the very latest in drone and aerial photographic technology, tour across countries and their seasons, getting a unique view from above.