Cottage Life In Tennessee, a violent tornado touches down in downtown Nashville - interrupting a live news broadcast and raking through the city; at the Hamma Hamma Falls, a kayaker races to rescue his friend from a terrifying ordeal. 2026-06-01 Scattered around the world are long-forgotten engineering marvels, decaying cities and empty factories that once stood on the cutting edge of design and construction. Today they are discarded, dangerous, and some of them are even deadly. "Mysteries of the Abandoned" reveals why these engineering triumphs were built and how they were left to crumble. In each hourlong episode, stories tell of who or 2026-06-01 In Guatemala, archaeologists identify an ancient site containing a series of unknown structures; a lake full of jellyfish is studied on a remote South Pacific island; Argentinian researchers discover a complex that may have a dark past. 2026-06-01 A weird white dome appears over a valley that is famous for UFO sightings; engineers try to work out why a huge bridge collapses on a clear blue day; why square waves in the sea are a sign to get out of the water. 2026-06-01 Scattered around the world are long-forgotten engineering marvels, decaying cities and empty factories that once stood on the cutting edge of design and construction. Today they are discarded, dangerous, and some of them are even deadly. "Mysteries of the Abandoned" reveals why these engineering triumphs were built and how they were left to crumble. In each hourlong episode, stories tell of who or 2026-06-01 Witness a booming Tongan tsunami, a wind-driven Hawaiian inferno, and a deadly Texas flood from space. Then zoom in and see how a loose cable and colossal ships caused the shocking collapse of the Francis Scott Key Bridge in Baltimore, Maryland. 2026-06-02 Using cutting-edge CGI, archive footage and expert interviews, examine mysterious curiosities that have been uncovered by extreme weather and calamitous incidents. 2026-06-02 The failed controlled demolition of The Clarion hotel in Las Vegas; substandard soil conditions and reclaimed land are among the reasons for construction site collapses; how construction, urbanization and heavy equipment contribute to sinkholes. 2026-06-02 Witness a booming Tongan tsunami, a wind-driven Hawaiian inferno, and a deadly Texas flood from space. Then zoom in and see how a loose cable and colossal ships caused the shocking collapse of the Francis Scott Key Bridge in Baltimore, Maryland. 2026-06-02 Using cutting-edge CGI, archive footage and expert interviews, examine mysterious curiosities that have been uncovered by extreme weather and calamitous incidents. 2026-06-02 Trace the chain of events that led to a deadly explosion on the Deepwater Horizon rig and unleashed the largest marine oil spill in history; see the failed part that caused the NASA Challenger Space Shuttle to explode seconds after liftoff. 2026-06-02 In Tennessee, a violent tornado touches down in downtown Nashville - interrupting a live news broadcast and raking through the city; at the Hamma Hamma Falls, a kayaker races to rescue his friend from a terrifying ordeal. 2026-06-02 A weird white dome appears over a valley that is famous for UFO sightings; engineers try to work out why a huge bridge collapses on a clear blue day; why square waves in the sea are a sign to get out of the water. 2026-06-02 Scattered around the world are long-forgotten engineering marvels, decaying cities and empty factories that once stood on the cutting edge of design and construction. Today they are discarded, dangerous, and some of them are even deadly. "Mysteries of the Abandoned" reveals why these engineering triumphs were built and how they were left to crumble. In each hourlong episode, stories tell of who or 2026-06-02 Triangle shaped hovering objects are seen by thousands of people and investigated by scientists and government officials, yet they could never be explained; the sightings occurred in a more than two year wave over Belgium, beginning in late 1989. 2026-06-02 Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day. 2026-06-02 The failed controlled demolition of The Clarion hotel in Las Vegas; substandard soil conditions and reclaimed land are among the reasons for construction site collapses; how construction, urbanization and heavy equipment contribute to sinkholes. 2026-06-02 A vanished Neolithic structure in an Irish farmer's field, an ancient oasis in the remote reaches of a Chinese desert, a centuries-old buried treasure in the U.K. and a dreaded predator in the Pacific Ocean are discovered by accident using drones. 2026-06-02 In the rain forests of Belize, researchers find a bizarre skeleton deep underground in a mysterious cave; an ancient city is discovered on a remote plateau in Cambodia; a strange coin is unearthed on the Wessel Islands of Australia. 2026-06-02 Unlock military secrets from the air; spot a Nazi weapon designed to turn the tides of war in France; a covert Russian military tower in Chernobyl's shadow; a rumored nuclear lab buried in Australia; a hush-hush surprise underneath Alcatraz. 2026-06-02 Budding entrepreneurs get three minutes to pitch their business ideas to five multimillionaires who are willing to invest their own cash to kick-start the businesses in the original "Shark Tank." After each pitch, the Dragons have the opportunity to ask questions about the venture. The entrepreneurs don't always have to answer, but of course what they choose not to address could very well affect t 2026-06-02 Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day. 2026-06-02 A vanished Neolithic structure in an Irish farmer's field, an ancient oasis in the remote reaches of a Chinese desert, a centuries-old buried treasure in the U.K. and a dreaded predator in the Pacific Ocean are discovered by accident using drones. 2026-06-02 A Montana small town branded by an infamous jailbreak; how nature trumped greed during an Alaska treasure hunt; a cultural icon from the rough side of New Orleans; the Empire State of the South. 2026-06-02 In New Zealand, the White Island volcano erupts with deadly consequences; a major storm pounds the city of Perth, triggering flash flooding, hail and a near-fatal road accident when a tree is blown on top of a driver. 2026-06-02 Looking at the Oklahoma hotel built with stolen oil money; reflecting on brutality in a Cambodian school turned chamber of horrors; spotting a Latvian telescope that spied on the West; celebrating an Italian tribute to air travel. 2026-06-02 In the rain forests of Belize, researchers find a bizarre skeleton deep underground in a mysterious cave; an ancient city is discovered on a remote plateau in Cambodia; a strange coin is unearthed on the Wessel Islands of Australia. 2026-06-02 A mysterious glowing green entity is seen in Australia's nighttime sky; footage of a twisting fire worm may confirm a local legend about a cave-dwelling super serpent. 2026-06-02 Looking at the Oklahoma hotel built with stolen oil money; reflecting on brutality in a Cambodian school turned chamber of horrors; spotting a Latvian telescope that spied on the West; celebrating an Italian tribute to air travel. 2026-06-02 Sandi Toksvig looks at animals that start with the letter P with guests Alan Davies, Phill Jupitus, Danny Baker and Teri Hatcher. 2026-06-03