Nat Geo HD

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.

Experts dissect a ferry sinking, factory blast and bridge collapse, using evidence and 3D graphics to reveal what went wrong.

A Prince Is Born: Born into a powerful pride, young lion Kio must learn to survive. But one dangerous encounter tests his courage like never before. (1 of 4) 7+.

A Band of Brothers: After surviving a buffalo attack, young Kio must earn his place in the pride. But a harsh dry season threatens his future. (2 of 4) 7+.

Construction fails happen every day, but sometimes the damage is catastrophic. Investigate the most spectacular mishaps - and how the disaster could have been averted. (S1, ep 1) 7+.

It's an 800-year-old icon with a state-of-the-art smoke detector - but how did Notre Dame cathedral catch fire? Plus, is there such a thing as an earthquake-proof building? (S1, ep 2) 7+.

When two float planes carrying tourists collide near a spectacular Alaskan waterfall, investigators turn to 3D technology to figure out why. (5 of 10) 7+.

Abandoned at Sea: USS Indianapolis is violently sunk with hundreds of men lost at sea as they fight off exposure and shark attacks. (S1, ep 1) 7+.

America's First Shot: Explorers aboard the research vessel Petrel detect a wreck off the coast of the Philippines that fits the profile of an American destroyer.

Archaeologists search Egypt's ancient burial grounds to solve the mysteries of the most intriguing artifacts of all mummies. 7+.

In humanity's pursuit of space exploration, numerous tragic disasters have unfolded, from the Apollo 1 fire to the Challenger and Columbia tragedies. (4 of.

Bombs, torpedoes and kamikaze planes wage the most important campaigns of WW2, all from the air. Experts take us inside the machinery that rained death from above.

A terrifying story of chaos and confusion emerges as experts investigate a cargo jet that plummeted to Earth in the Swedish Arctic. (S19, ep 2) 7+.

A Prince Is Born: Born into a powerful pride, young lion Kio must learn to survive. But one dangerous encounter tests his courage like never before. (1 of 4) 7+.

A Band of Brothers: After surviving a buffalo attack, young Kio must earn his place in the pride. But a harsh dry season threatens his future. (2 of 4) 7+.

Nzuri, a first-time mother, is forced to add strategy to speed in order to avoid predators, feed her cubs and steer them successfully to adulthood. 7+.

On 3 January 2004, Flash Airlines flight 604 took off from Sharm el-Sheikh; moments later it crashed into the Red Sea. But what happened? 7+.

When a train loses power, it's a race against time for traffic control and emergency responders. (5 of 6) 7+.