Rob Riggle Global Investigator

For centuries, experts and archeologists have tried to pinpoint the lost city of Atlantis, but all have failed. Now Rob Riggle is on the case, and Atlantis has nowhere left to hide.

Finding the actual Holy Grail is the holy grail for all global investigators so Rob's on the case. He's following in the footsteps of the Knights Templars and unearthing new evidence that could prove the grail has been hidden in Scotland all this time.

Ex-marine Rob Riggle has a unique recipe to solve a 300-year-old pirate mystery in the Florida Keys: one shovel. One metal detector. One Daquiri.

Skeleton Canyon may have been the deadliest place in the Old West. It was the site of the Skeleton Canyon massacres of 1879 and 1881. Join Rob Riggle in the search for an outlaw's lost treasure.

Rob must find out what happened to Rome's 9th Legion, which vanished into thin air. He meets with military historians and archaeologists as he searches through muddy bogs, analyzes ancient skulls and learns about Roman ghosts.

Rob heads to the Nevada desert, a UFO hotspot. He meets an ex-CIA agent, Air Force pilots, a professional UFO hunter and a team of investigators.