Nat Geo HD

Delta Airlines Flight 191 hit a storm. A strong gale slammed the plane to the ground, killing all on board. Can plane designers ever overcome microburst winds? 12+.

When stealth pilot Dale Zelko is shot down on a bombing over Belgrade, the race is on for NATO to find him before he is captured by Serbian forces.

Sam investigates the utopian city, Atlantis, which Plato said was cursed by the gods and swallowed up into the sea,000 years ago. RATING: NU.

The team hit the jackpot in an abandoned church, finding a Tiffany-style stained glass window and the remains of a basement bowling alley.

On the hunt for valuable militaria, Sean discovers one of WWII's most expensive and secret weapons, as well as an axehead that could be 1,000 years old. All ages.

Sean stumbles on a 1700s blunderbuss, a huge gun used by pirates to debilitate treasure ships. He also examines a potentially-priceless WWI helmet. All ages.

Take a look inside a jawbreaker factory and go behind-the-scenes at Tim Hortons' roasting facility! (S3, ep 1) RATING: AA.

Get a look inside the age-old making of baklava and the high-tech machines that create candy buttons. Suitable for all audiences. All ages.

Staff at the Columbus Zoo work around the clock to save a mandrill named Tatu who's in a life-or-death struggle. RATING: AA.

The entire zoo is on baby watch as Phoebe the elephant goes into labor. Meanwhile, a family of flying foxes get their annual exam. RATING: AA.

Teleshopping. U.

Teleshopping. U.

Teleshopping. U.

Teleshopping. U.

Your one-stop-shop for all things cruise; bringing you the hottest destinations, ground-breaking ships and the latest deals to ensure your next cruise is your greatest one.

Lift the lid on the cookies that make millions for charity, an innovative ice cream sandwich and a pretzel producer's global headquarters. U.

Follow the trajectory of Welch's Concord Grape Jam, enjoy some grandma-perfected pierogi and sink your teeth into some chocolatey pretzels. U.

Experts investigate the shocking crash of United Airlines Flight 173. Ten people died in the disaster in Oregon. What caused all four of its engines to fail? RATING: AA.

The story of daring submarine commander Eugene Fluckey who sent saboteurs on to land to bomb a Japanese train. (S2, ep 2). All Ages.

Cocaine in shapewear, an undercover bust, and a suspicious couple potentially linked to a drug trafficking ring. (S6, ep 5) RATING: NU.

Tim and Fuzz head to East Anglia, to secretly restore a neglected 1980s Porsche 911 for a woman to give to her devoted husband as a thank you gift. (S2, ep 3) RATING: AA.

Titan transports move the biggest and most earth shaking loads by land, sea and sky: moving the critical goods that make our world run. 7+. (3 of.

The cockpit voice recorder raises disturbing questions when investigators examine the wreckage of Northwest Airlink Flight 5719's fatal crash. (S16, ep 1) Rating: All ages.

As the water drains away, a secret emerges beneath Manhattan's skyline, along with an astonishing feat of engineering and a casualty of World War I. RATING: AA.

The mid-10th-century reign of Harald Bluetooth marked the start of a second Viking age, but it was not to last. Discover the final days of the Vikings. U.

Tim and Fuzz travel to South Yorkshire to pick up a Car SOS first. But it isn't going to be easy to steal it away. All ages.

Tim and Fuzz race the clock to secretly restore an owner's beloved Jag. Neglected for two decades, it's a tough challenge. Can they fix it up without him knowing? RATING: AA.

A private jet shuttling business passengers to Ohio slams into an apartment building, instantly killing everyone on board. What went wrong? Rating: All ages.

The Allies have captured the beaches of Northern France and must now head into enemy territory. Join them on their bitter two-month march to liberate Paris. U.

A chilling look at the evil campaign of Hitler's killing squad. Set up to implement the Final Solution, they carried out some of the most horrific crimes in history. RATING: NU.

Fast tracked by Hitler, the Luftwaffe grew from nothing into an advanced air force that contained some of the deadliest technology of World War II. 12+.

After taking off from Taiwan, a China Airlines 747 suddenly disappeared from radar and crash-landed, killing 225 people. Researchers try to find out why. RATING: AA.