Scott Wolter is called on to investigate an obsidian spear of mysterious origins on the island of Maui.

Scott Wolter embarks on a quest to learn whether a secret society called the Knights of the Golden Circle were behind the assassination of President Abraham Lincoln.

Scott Wolter is called upon to investigate a mystery surrounding a group of early inhabitants of Florida known as the Windover Bog People.

Scott Wolter travels across the United States to investigate ancient artifacts featuring Hebrew writing.

Scott Wolter travels to Ohio to investigate the origins of a massive serpent-shaped mound and the connection between it and the disappearance of the people of America's largest city in Pre-Colombian times.

Scott Wolter receives a tip there are pyramids at the bottom of a lake in Wisconsin.

Scott Wolter investigates whether an ancient unit of measurement used in the design plans of Washington, DC, created a sanctuary for people practicing goddess worship -- people like George Washington himself.

Scott Wolter discovers geology could be key in the solving the mystery of an ancient race of tiny people called the Menehune while on vacation with his family in Hawaii.

Scott Wolter embarks on a search to find out whether the legend of ancient Egyptian treasures being discovered in a Grand Canyon cave is true.

Scott Wolter is hot on the trail of never-before-seen evidence and geologic clues that could prove the Vikings built a permanent settlement in America called Vinland.

The city of Rockwall, TX, was built on a massive rock wall that some claim was constructed by an ancient civilization -- or even giants.

Scott Wolter heads to Colorado to investigate claims that a revolutionary group called the New World Order is operating a secret base deep beneath the Denver airport.

Scott Wolter gets a call from a man who's convinced a mysterious stone on his property is the one Jacob from the Bible rested his head on when he dreamed of a stairway to Heaven.