In 1992, a cargo ship lost a container of 28,800 rubber ducks in the Pacific — and oceanographers used them to map currents no instrument could track. Weird geography, explained: the Friendly Floatees, the scientists who chased them for decades, and what bath toys taught us about the ocean.Full video episode on YouTube @OffTheMap-m9m.

Yuma, Arizona is officially the sunniest place on Earth — over 4,000 hours of sunshine a year, 91% of all possible daylight. Why there? Weird geography, explained: the Hadley cell, the rain shadow, and the rivers that turned a sun-blasted desert into America's winter vegetable basket. Full video episode on YouTube @OffTheMap-m9m.

There's a chunk of Minnesota stranded above the 49th parallel, cut off from the US by Canada — all because of a bad map drawn in 1755 and a treaty signed in 1783. Weird geography, explained: the Northwest Angle, the map error that created an American exclave, and the 120 people who live with it. Full video episode on YouTube @OffTheMap-m9m.