Mysteries at the Museum

Don investigates an astronaut's mission gone awry, a killer canine sentenced to prison and a pilot's heroic efforts over the Pacific.

Don investigates a house for sale that comes with three ghosts, the maligned reputation of an extinct bird and a mysterious explosion at a munitions factory.

Don examines the theft of an iconic Scottish sword wielded by William Wallace, an unprecedented mission to save America's livestock and a female swimmer who broke the mold.

Don investigates a mule in a horse race, a death-defying aerial maneuver and the invention of a mobile landmark.

Don examines an aircraft connected to an aerial attack on a California town, a Bible used in a bizarre exorcism and a pair of hiking boots worn in a record-breaking solo journey around the world.

Don investigates a tennis star who survived the Titanic, a real estate developer who was the unfortunate victim of a crime of passion and a bizarre plot to attack the moon.

Don examines a bizarre gift sent to the White House, a chef who saved the cheese industry from crumbling after an earthquake rocked Italy and a spy who went shopping for secret intelligence.

Don showcases a piece of top-secret military equipment developed by the first celebrity chef, a ghost that terrorized a popular music venue and a father-son duo who rode the tallest wave in the world.

Don examines a chunk of the Titanic's hull that's related to a new theory about the sinking of the ship, a US Army drone behind a starlet's big break and an electric tricycle with a fatal flaw.

Don showcases a pocket watch used by a ruthless gangster in 1920s Chicago, an aircraft that disappeared over Australia after encountering a UFO and the first daredevil to brave Niagara Falls.

Don reveals the little-known tale behind an iconic wedding dress, examines the investigation of a miraculous painting and investigates an underwater enigma that was full of hot air.

Don examines a ceramic figure connected to a bizarre sighting, a bus model at the center of a mysterious disappearance and a tabulating machine that serves as a reminder of how a bookkeeper saved more than 100,000 lives.

Don spotlights a miraculous air bubble on the ocean floor, a series of mysterious skeletons discovered in closets and a daring escape of a beloved children's character from the Nazis.