National Geographic Channel +1 Thursday

An account of the third airborne attack, which caused extensive damage to the Pentagon. The man ultimately responsible was soon identified as al-Qaeda leader Osama bin Laden

Homeland Security Investigation agents in Miami track a shipment of cocaine worth millions of dollars, which was found cleverly hidden in gardening pots

A factory where marble was made for the US Supreme Court is searched. Plus, the gang finds intriguing White House blueprints in an old bomb shelter

Rich gets access to a manufacturing equipment warehouse and finds a robotic arm, while Dave searches old cars for catalytic converters that contain valuable platinum

Dave tries to get his hands on some old gold-mining equipment, believing it may still contain fragments of the precious metal. Rich gets the chance to search an old building

Discover what a laser beam and applesauce have in common, then go behind the scenes of a factory that produces a billion onion rings every year

A bakery making millions of donuts a year and the team behind pepperoni rolls

It's baby boom time on Africa's vast Serengeti Plain. One million wildebeest halt their migration to give birth. And there are predators everywhere

The fascinating story of the Christmas crab - a landbound creature that takes an extraordinary annual trip to the ocean

Teleshopping. U.

Teleshopping. U.