Charles, a retired man, gets a new lease on life when he answers an ad from a private investigator and becomes a mole in a secret investigation in a nursing home.

Multiple teams race around the globe for $1,000,000 to 'amazing' locations.

Josh Gates travels through history on a search to uncover new evidence and answers to the world's most captivating unexplained mysteries, and true stories that defy explanation, offering stunning revelations and surprising new ins...

A reality show where a group of contestants are stranded in a remote location with little more than the clothes on their back. The lone survivor of this contest takes home a million dollars.

An archeologist travels around the world looking for unknown and missing artifacts from throughout time.

Multiple teams race around the globe for $1,000,000 to 'amazing' locations.

Homicide investigations are conducted through images recorded on Investigation Discovery's true.

A reality show where a group of contestants are stranded in a remote location with little more than the clothes on their back. The lone survivor of this contest takes home a million dollars.

Josh Gates travels through history on a search to uncover new evidence and answers to the world's most captivating unexplained mysteries, and true stories that defy explanation, offering stunning revelations and surprising new ins...

Contestants make their way through a giant obstacle course to win a cash prize.