The Highway Where Backpackers Disappear Without a Trace

In this episode of Outback Murder Highway, Robin Hvil Bartram and Anita Cunningham set out to hitchhike across Australia in 1972—but only one of them was ever found. More than 50 years later, investigators reopen one of Australia's most haunting cold cases, uncovering new witnesses, possible links to serial killer Ivan Milat, and a potential burial site hidden along the infamous Flinders Highway. Could this finally solve one of Australia's greatest unsolved murder mysteries?

Extreme Transport: Moving a Giant Industrial Furnace | FD Engineering Austrian heavy haul specialist Felbermayr faces one of its toughest transport missions yet: moving two massive industrial furnaces weighing more than 300 tons from a Danube port to an aircraft manufacturer. Standing nearly seven meters tall, the oversized cargo must navigate bridges, roads, and tight clearances in a carefully planned engineering operation where every meter counts. ▬▬▬▬▬▬▬▬▬ ▬▬▬▬▬▬▬▬▬ “Engineering: the branch of science and technology concerned with the design, building and use of engines, machines and structures.” So says the Webster definition. Our newest Free Documentary family member, Free Documentary - Engineering, is all about engineering - and bringing our community the best documentaries on engineering.

Follow air traffic controllers, security teams, baggage handlers and ramp crews coordinating more than a thousand daily flights through Munich Airport.

In 1997, the FBI and the NYPD began a joint-investigation into Gurmeet Dhinsa for gas pump rigging. However, they soon realized Dhinsa was more than just a corrupt businessman; he ruled his mob-like operation with brutal force, kidnapping and killing wayward employees and any family members who questioned their deaths. Agent had to work their way into Dhinsa's violent world.

Step inside the epic journey of moving a 200-ton WWI railway howitzer - the world's largest surviving railway gun - across 400 miles and two countries! In this gripping documentary, follow a team of engineers, soldiers, and heavy hauliers as they attempt the impossible: relocating a colossal British Army railway howitzer from Larkhill, England to the Dutch National Railway Museum in Utrecht. Watch as they face nail-biting obstacles, from splitting the 195-ton beast in two, battling stubborn bolts and rusted pins, to racing against the tides and navigating jammed roads and tight city streets. Every step is a race against time and a test of nerves, as the crew must avoid disaster to deliver this historic weapon for a landmark exhibition on railways in warfare. Discover the incredible history of this 18-inch railway gun - a giant that could hurl one-ton shells over 13 miles - and the untold stories behind its survival after most were lost to scrap. See behind-the-scenes teamwork as the Royal Artillery restores the howitzer to pristine condition, and witness the last-minute scramble when transport plans

Alfred Balmer has spent fifteen years at the Limbe Wildlife Center forming a bond with primates that most people would find impossible. His closest friend is Niango, a gorilla with a tragic past and a significant secret: she is a Cross River gorilla, the rarest great ape on the planet. This documentary follows Alfred as he leaves the safety of the sanctuary to trek through the dense, mountainous forests of Cameroon. He is looking for Niango’s lost relatives in a landscape where extinction feels like an everyday threat. This is a story of a man who views these animals as his brothers and will go to any lengths to ensure their family survives in the wild.