Pilgrimages are a universal phenomenon, from China’s bustling Tai Shan to the ancient Jewish treks to Jerusalem. But why? What is it about a grueling penitent march to an isolated temple that has become a prerequisite for a civilization of any size, whether Chicen Itza in the Mayan Empire or the holy sites of Mecca?

To explore this is today’s guest, Kathryn Hurlock, author of “Holy Places: How Pilgrimages Changed the World.” We also look at whether pilgrimages have become too easy in the 21st century. Has jetting off to Mecca or Rome for a quick indulgence turned them into spiritual tourism, a la Disneyland?

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Years before Jamestown planters made New World farming profitable by growing tobacco, and years before their countrymen up north in Plymouth Colony managed to overcome their starvation conditions and acclimate to New England’s growing conditions, there was an English settlement in Bermuda that was wealthier, larger, and more prosperous. It was established in 1612 on an island less than one square mile but grew to the heart of the Atlantic economy. Bermuda, once home to more settlers than Virginia or Massachusetts, became England’s first profitable plantation, pioneering tobacco cultivation and the use of enslaved Africans—practices that later spread to the mainland.

In this episode, historian and archaeologist Michael Jarvis joins us to uncover the hidden history of Bermuda and its pivotal role in reshaping our understanding of colonial America. Jarvis, dubbed "Chainsaw Mike" by his students, has spent 14 years excavating Smith’s Island, clearing away endless brush, and unearthing one of the first English settlements in the New World. From supplying Jamestown with food to influencing early colonial economics, Jarvis argues Bermuda is a missing cornerstone of America’s origin story, far more than the historical footnote it’s often been relegated to.

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The origins of the Hatfield-McCoy conflict (between the Hatfield family of West Virginia, led by William Anderson "Devil Anse" Hatfield, and the McCoy family of Kentucky, led by Randolph "Old Randall" McCoy) begins with a dispute over a pig. From here, it escalated from minor disagreements to violent encounters that spanned decades, nearly sparking a war between the two states.

Today’s guest is Jennifer Bennie, host of the Walk With History podcast. We look at the historical context of the feud, its escalation from minor disputes to violent encounters, and its significance in American folklore.

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In 1845, a novel pathogen attacked potato fields across Europe, from Spain to Scandinavia—but only in Ireland were the effects apocalyptic. At least one million Irish people died, and millions more scattered across the globe, emigrating to new countries and continents. Less than fifty years after the union of Ireland with the rest of Great Britain, the newly formed United Kingdom—the most powerful country in the nineteenth-century world—failed millions of its own citizens, leading to decades of poverty, ecological ruin, and collective trauma. How did this happen?

Today’s guest Padraic Scanlan recontextualizes the disaster’s origins, events, and consequences in his new book “Rot: An Imperial History of the Irish Famine.” We situate the Irish Great Famine in a larger history of economic consolidation and exploitation caused by British policies toward Ireland. The blight that decimated the potato plants was biological, but the Famine itself was manmade, caused by the British government’s structures of land ownership, labor, and rent collection. The real tragedy of the Famine wasn’t that the British maliciously intended and propagated starvation, but that their efforts to address the “Irish Question” only exacerbated the problem.

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Sitting high above the small community of Ripley, Ohio, a lantern shone in the front window of a small, red brick home at night. It was a signal to slaves just across the Ohio River. Anyone fleeing bondage could look to Reverend John Rankin’s home for hope. To the slaveholders they fled from, Rankin’s activities as a “conductor” on the Underground Railroad invoked rage. Mobs often pelted Rankin with eggs and rocks, bounties were placed on his head, and midnight assassins lurked in the darkness, waiting for the right opportunity to take out the “Father of Abolitionism.” Despite frequent threats, he remained committed to the freedom of his fellow man.

Today’s guest is Caleb Franz, author of The Conductor: The Story of Rev. John Rankin, Abolitionism's Essential Founding Father, we look at the story of the man who served as a George Washington–type figure to the antislavery movement. Rankin’s leadership brought unity and clarity to the often factious abolitionists of the nineteenth century. William Lloyd Garrison, Harriet Beecher Stowe, and countless others found inspiration in his teachings. He also presented abolitionism as a moderate movement, helping to make it palpable to Southern centrists who considered most abolitionists Yankee radicals who wanted to watch America descend into a Haitian-style race war.

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The biggest revolution in Benjamin Franklin’s lifetime was made to fit in a fireplace. Assembled from iron plates like a piece of flatpack furniture, the Franklin stove became one of the era's most iconic consumer products, spreading from Pennsylvania to England, Italy, and beyond. It was more than just a material object, however—it was also a hypothesis. Franklin was proposing that, armed with science, he could invent his way out of a climate crisis: a period of global cooling known as the Little Ice Age, when unusually bitter winters sometimes brought life to a standstill. He believed that his stove could provide snug indoor comfort despite another, related crisis: a shortage of wood caused by widespread deforestation. And he conceived of his invention as equal parts appliance and scientific instrument—a device that, by modifying how heat and air moved through indoor spaces, might reveal the workings of the atmosphere outside and explain why it seemed to be changing.

Today’s guest is Joyce Chaplin, author of The Franklin Stove: An Unintended American Revolution, the story of this singular invention, and a revelatory new look at the Founding Father we thought we knew. We follow Franklin as he promotes his stove in Britain and France, while corresponding with the various experimenters who discovered the key gases in Earth's atmosphere, invented steam engines, and tried to clean up sooty urban air. During his travels back and forth across the Atlantic, we witness him taking measurements of the gulf stream and observing the cooling effect of volcanic ash from Iceland. And back in Philadelphia, we watch him hawk his invention while sparring with proponents of the popular theory that clearcutting forests would lead to warmer winters by reducing the amount of shade cover on the surface of the Earth.

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For much of Christian history, the Church had little involvement in marriage, which was primarily a contract between families. It wasn’t until the fourth century that church weddings emerged, and even then, they were mostly reserved for the elite. Fast forward to the High Middle Ages, and marriage became a sacrament of the Roman Catholic Church. Since then, the church has been seen as inseparable with matrimony.

What changed over the centuries? To explore this dynamic is today’s guest, historian Diarmaid MacCulloch, author of “Lower Than the Angels: A History of Sex and Christianity.” We explore how Christianity’s views on sex, marriage, and gender evolved over time; that early Christian marriage was not a universal sacrament but a social institution governed by authority figures. He highlights how for much of history, the Church was more concerned with celibacy than marital sexuality. The Reformation reshaped these ideas, introducing new roles for women in religious life, from pastor’s wives to Quaker preachers. We uncover how Christianity’s past can inform its present and future.

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On the night of September 5, 1942, the USS Gregory (APD-3), a converted destroyer turned high-speed transport, was caught in a deadly ambush near Guadalcanal. The ship had been supporting U.S. Marine forces, ferrying troops and supplies, when it was mistaken for a larger threat by a group of Japanese destroyers. Outgunned and unable to escape, Gregory was hammered by shellfire, set ablaze, and ultimately sank in Ironbottom Sound.

Lieutenant Commander Harry F. Bauer, refusing to abandon his men, fought to the end and was posthumously awarded the Navy Cross. As the surviving crew struggled in the water, Mess Attendant Charles J. French emerged as an unlikely hero, tying a rope around his waist and towing wounded shipmates for hours through shark-infested waters to safety. Against overwhelming odds, he kept them together until they were finally rescued. Join us as we uncover this harrowing tale of sacrifice, heroism, and the unbreakable spirit of the USS Gregory’s crew.

To discuss this story is today’s guest Carole Avriett, author of “Midnight in Ironbottom Sound: The Harrowing WWII Story of Heroism in the Shark-Infested Waters of Guadalcanal.”

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