In suburban Dayton, Ohio, a private indoor tennis court became one of the strangest secret facilities of the Manhattan Project.

Runnymede Playhouse had once hosted tennis matches, dances, charity events, and bridge parties. By 1944, the Army and Monsanto had transformed it into Unit IV of the Dayton Project — a guarded chemical plant producing and purifying polonium for the neutron initiators used in the first atomic bombs.

In this episode, we look at how the Dayton Project spread across ordinary neighborhoods, a former seminary, a downtown warehouse, and a wealthy Oakwood estate; how irradiated bismuth was turned into polonium; the workers who handled it; the mysterious “Dr. N.”; and George Koval, the Soviet spy who gained access to the program.

We also trace Dayton’s connection to Trinity, Hiroshima, Nagasaki, and the later Mound Laboratory — and what happened when the government had to clean up and erase a radioactive factory hidden inside a tennis court.

Maps, photos, supplemental location footage, source documents, and additional material are available on the episode page at WhatsOutsideTheWindow.com.

In the early 20th century, Kentucky’s cave country became the scene of a fierce tourism battle. Cave owners fought over signs, road access, visitors, and even underground property lines in what became known as the Kentucky Cave Wars.

At the center of that world was Floyd Collins, an experienced cave explorer who had discovered Great Crystal Cave but struggled to turn it into a profitable attraction.

In January 1925, Collins began working Sand Cave, hoping its better location would lead to a commercially successful cave. On January 30, he became trapped underground.

What followed became a national spectacle.

Thousands gathered above Sand Cave. Reporters descended on Kentucky. William Burke “Skeets” Miller repeatedly crawled through the passage to reach Collins and became part of the rescue effort himself. When the cave collapsed and rescuers could no longer reach Floyd, crews began digging a new shaft from the surface.

Rumors spread that the entire ordeal was a hoax. False sightings appeared. The governor ordered a military court of inquiry.

When rescuers finally reached Floyd on February 16, he was dead.

But even that was not the end of the story.

Collins’s body was later recovered, buried, exhumed, placed on public display inside Crystal Cave, fought over in court, and stolen in 1929 before eventually being buried for the final time decades later.

In this episode, Ric Wayland traces the Kentucky Cave Wars, Floyd Collins’s search for a successful show cave, the Sand Cave rescue, the media frenzy surrounding it, and the bizarre story of what happened to Floyd after his death.

Full sources, historical photographs, newspaper material, and the related RealRoads TV video are available at:

https://whatsoutsidethewindow.com/

Music: Into the Karst by the Open Road Collective

In May of 1897, two Garland County lawmen claimed they encountered a sixty-foot, cigar-shaped flying machine in the hills northwest of Hot Springs, Arkansas — complete with a human crew, a brilliant light, a woman holding an umbrella, and one man filling a sack with water.

But the Hot Springs encounter was only one piece of a much larger mystery-airship craze sweeping the country. In this episode, we trace the Arkansas sightings that came before it, a similar Texas story that was later exposed as a hoax, the strange Nashville connection, and the technology that makes the whole thing even harder to explain.

Was it an experimental aircraft, a newspaper-era tall tale, a story shaped by the biggest aviation mystery of its time... or something else entirely?

Join Ric Wayland as we head into the Ouachita hills to see what’s outside the window.

https://whatsoutsidethewindow.com/episode/the-hot-springs-ufo-of-1897/