In which comedian and writer Alex Falcone discusses weather balloons, broken arrows, and the most general of mills. Certificate #35593.

In which an Atari founder turns borrowed ideas into a gaming empire, makes a killing, and launches Rick Rat’s Pizza—guided by Futureling Keli Boucher. Certificate #48560.

In which Bob Crawford, author of America’s Founding Son: John Quincy Adams, from President to Political Maverick and bass player for The Avett Brothers, waxes on William Henry Harrison, John Tyler, and an unfortunately named Peacemaker. Certificate #34343.

In which giant university marching drums, mythic African war drums, and even a Salvadoran bronze masterpiece take center stage — guided by Futureling Natalie Hudson. Certificate #31992.

In which Futureling Hugh Scott unpacks the saga of drifter, doctor, and self-declared president William Walker. Certificate #28903

In which Futureling Katie Tarara uncovers the surprising rise of a symbol of French celebration in the American Southwest. Certificate #31308

In which a lonely concrete pyramid in North Dakota uncovers the story of America’s ambitious—and short-lived—Cold War missile defense system, with guest Michael Milner. Certificate #1502

In which comedian Saul Henry discusses the global reach of Worcestershire sauce and regional British accents. Certificate #37300.

In which Futureling Robert educates John about Germany's all-time best-selling author—and fraudster—Karl May. Special appearance by Einstein. Certificate #23821.

In which Erin Dawson, a trans black metal musician who goes by the moniker Genital Shame, explores the nature of prank calls, their cultural significance, and Longmont Potion Castle. Certificate #50858.

In which writer and podcaster Grant Brisbee reveals the history of baseball's worst stadium. Special appearance by Richard Nixon and The Beatles. Certificate #31484.