Voices in the Tunnels (Formerly titled "In Search of the Mole People") is a 2008 documentary directed by Vic David, a New York City filmmaker and a graduate from New York University. It explores the lives of people who lived in the New York City Subway tunnels.

• Dark Days (film), a 2000 documentary on New York City tunnel inhabitants by filmmaker Marc Singer
• Freedom Tunnel, a railroad tunnel in New York City frequently inhabited by homeless people
• Mole people, homeless people living under large cities in abandoned subway, railroad, flood, and sewage tunnels
• Tunnel People, a 2010 book on New York City tunnel inhabitants by anthropologist and journalist Teun Voeten
• Urban exploration, the exploration of man-made structures including tunnels as a hobby

• Voices in the Tunnels at IMDb
• http://www.journeyman.tv/59381/documentaries/voices-in-the-tunnels.html