Don Wildman investigates the story behind an amazing feat of engineering, an incredible and true tale of a literary legacy and a monumental discovery at sea.

The Viking Lander may have found life on Mars. Meanwhile, how can a starship be spotted in the Aurora Borealis? And what exactly are NASA's mysterious Moon Pigeons?

Andrew gets a taste of the unexpected when he visits San Diego. He samples swordfish bone marrow, and mashed lamb brains cooked in an underground pit.

Andrew discovers that Miami is a hot spot for food. He samples roasted pig brains, fresh wreckfish cheeks, and a fruit that feels like glass on the throat.

Don Wildman investigates a curse placed upon a family who witnessed an assassination, examines Bigfoot sightings and recounts a terrifying love story.

Archaeologist Ramy Romany investigates whether King Tut's mummy was burnt from a change in the mummification process, or was there a more sinister reason?

Don Wildman investigates the unexpected story behind the Alaskan flag, the madman behind an important English Language book and a quest to save Chicago.

Andrew Zimmern heads to Austin so sample local food. Dishes include whole roasted pigeons, donuts topped with chicken, and milkshakes made with bacon.

The frontier spirit can still be found in New Mexico and as Andrew finds out it's reflected in the food.

The Hubble Telescope spots thousands of unknown objects travelling faster than light. Are we being watched? Or could we ourselves be aliens from another world?

Most of the Founding Fathers and fourteen Presidents were Freemasons. Some say Washington DC is laid out as a Masonic code. What other secrets are the Masons hiding?

Don Wildman investigates the story behind a teenager hippy-turned-diplomat, a daring rescue at sea and the superweapon used to stop the Nazis.

The research team head into the wilds of Minnesota to investigate howls heard at a Bigfoot hotspot. Can they catch a glimpse of the tallest Bigfoot ever seen?

Archaeologist Ramy Romany examines well-preserved bodies from more than 2,000 years ago to see if they were victims of human sacrifice.

Josh travels to the Caribbean to hunt for the legendary treasure of Captain Kidd. The search takes him to the island hideout of the notorious buccaneer.

In 2014, Malaysia Airlines flight MH370 vanished without a trace. Did it crash and if so, why can't the wreckage be found?

Military personnel witness UFOs above nuclear weapons bases. What could the alien's motives be and could they pose any threat?

Don Wildman examines extra-terrestrial bacteria, a monstrous hand and a mysterious insect.

From a former asylum where victims were experimented on to a remote outpost where a scorned woman killed her husband, historians and witness recount tales of horror.

From a Mississippi bridge where a murderer was hanged for his crimes to a Memphis bar, historians and witnesses recount tales about haunted roadside spots.

Josh ventures to Australia's island state of Tasmania. He investigates sightings of the supposedly extinct Thylacine, also known as the Tasmanian Tiger.