Google Plus Facebook LinkedIn Twitter Vimeo RSS

Out of the Ordinary: Under the Rock: Alcatraz's secret tunnels discoveredSource: Yahoo News

Researchers from Texas A&M University, using ground-penetrating radar technology, discovered a network of tunnels underneath the San Francisco island prison. Experts had believed the tunnels were destroyed long ago.

Continue reading

More From This Industry

Leave a Comment


Please note: All comments will be reviewed and may take up to 24 hours to appear on the site.

Post Comment
View Comment Policy