Historians, engineers, ​and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.

After falling in love with genius programmer Jiang Yicheng, Lu Li gets into the school he once studied at, and also took up the same calculus major. Setting Jiang Yicheng…

HLN dives into the deepest, darkest, gruesome mysteries and murders of the past. What really happened and how did it all play out?

In the wake of her father’s disappearance, 16-year-old Dylan Blake falls in with the wrong crowd, gets arrested, and earns court-ordered community service volunteering at Open Heart Memorial, the hospital…

Scott McGillivray enlists builder and longtime “frenemy” Bryan Baeumler to help get his recently purchased, total wreck of a lakeside resort into shape. Although they won’t be getting their hands…

A journey through basketball’s most celebrated events, personalities, and narratives, unveiling the sport’s enduring legacy and profound influence on society.

The story of the dance revolution – the beat, the clubs and the DJs that changed music culture forever.

2014: Akira Natsume seems to almost have a phobia of electrical devices while also being very good at diagnosing them. He resolves to change himself for the better and get…

Inspiring stories of animals in dire need of help, and the courageous men and women who go to unimaginable lengths to help them.

During a perilous 24-hour mission on the moon, space explorers try to retrieve samples from an abandoned research facility steeped in classified secrets.

Nessa Stein, the daughter of a Zionist arms procurer who as a child witnessed his assassination. Now an adult, Nessa inherits her father’s company and changes course from supplying arms…

A tight-knit group of teens unearths a long-buried secret, setting off a chain of illicit events that takes them on an adventure they’ll never forget.