The host explores the story of how a social crusader infiltrated the Klu Klux Klan and visits the Edmund Pettus Bridge, the site of a 1965 attack on civil rights demonstrators in Selma, Ala. Also, the mystery surrounding the death of former Louisiana governor Huey Long.

The story of a Bavarian king's adulterous affair with a Spanish dancer is explored. Also, the host visits a 16-foot statue of Vladimir Lenin located in the Fremont neighborhood of Seattle and recalls how a scientist used himself as a lab rat to study a disease.

Don visits the grave of a blind slave whose musical genius led to a bitter custody battle. Also: He investigates the birthplace of the tommy gun; and explores the origins of snowboarding.

A look at the mysterious scholar who founded the Round Schoolhouse in Brookline, Vt. Also, Host Don Wildman explores the story of New York's newsboys and visits a life-sized bronze statue of a pioneering explorer who dared to reach for the stars.

Don Wildman encounters a majestic mammoth that boasts an incredible tale of survival; investigates an iconic landmark that was at the center of terrifying explosive attacks; and unveils an abandoned camp with a sinister past.

Don Wildman investigates a sculpture of a suspicious saint with a dubious past; visits a fortress at the center of a strange tale of secrecy, discovery, and death; and explores spectacular caverns and its multitude of bats.

Host Don Wildman examines an unusual sculpture of a death-defying creature; gazes upon a lonely outpost built atop an island that witnessed unspeakable horrors; and explores a spectacular park linked to a preacher.

Don explores the story of an escape from slavery while visiting a historic home in Boston; and investigates a majestic oak tree's connection to witchcraft while on Hatteras Island, N.C. Also: how the Holmdel Horn Antenna changed the way people understand life.

A bizarre sculpture that's shaped like an acorn is examined, along with the story of a skyscraper scandal. Also, an engineering wonder inspired by an eccentric emperor.

The host investigates a sugar swindle while visiting a mansion in Michigan; learns about a bulldozer rampage in the town of Granby, Colo.; and gets to the bottom of the 1901 "rocking chair" riot that took place in New York City's Central Park.

The story of an ambitious scientist trying to play god is explored at the University of California at Berkley. Also, the tale of a Godzilla-esque creature stalking the beaches at Honeymoon Island State Park in Dunedin, Fla., and the legacy of astronomer Percival Lowell.

The host looks into the fishy disappearance of a sacred effigy at the Massachusetts State House. Also: the story of baseball's first African-American player; and the mayor behind New York's "artichoke wars."