A professor becomes an unsuspecting host; an infant falls mysteriously ill; a father is brought to the brink.

Jeremy Wade is not a fisherman; he's an "extreme angler" in search of the biggest and most dangerous freshwater fish, the kind with a taste for human flesh. This action-adventure series also features Wade illustrating how these river monsters are constructed to kill.

Eagle-eyed technical experts prove there is no such thing as a perfect crime as they assemble the pieces every criminal leaves behind. Dramatic crime re-creations and, sometimes, part of the investigations are a staple of the series. Some of the re-creations include alternate versions of the crimes, which are disproved by science. The show's episodes follow each case from the initial investigation until it reaches its legal resolution.

Danger and drama are around every bend for elite workers of the Maine Warden Service, who are followed in this series as they navigate the Pine Tree State's rugged terrain during a busy and risk-filled hunting season. Whether they're tracking bears on mountain ranges, busting drunken drivers on ATVs, working undercover stings, or rescuing wayward woodsmen, these wardens risk their lives to protect animals and serve the people of Maine. The series also highlights fish and game officers in New Hampshire, who work tirelessly to preserve and protect the natural resources of the Granite State. The region's wild, rugged landscape attracts thousands of outdoors enthusiasts and makes the officers work diverse and demanding.

A look various baby animals and their first few months of life.

The extraordinary, often bizarre treasures housed in America's museums represent wondrous chapters in history, but a physical display can tell only part of their story. Behind each artifact are amazing tales and secrets to be revealed -- tales sometimes brimming with scandal, mystery, murder and intrigue. In "Mysteries at the Museum," host Don Wildman visits a wide variety of museums across the United States, taking viewers on a sometimes shocking tour of America's past by re-examining what's been left behind. Interviews, archival footage and re-enactments bring to life the artifacts' enduring mysteries, some that have never been told before on television.