King's Hollow Tunnel in Ohio offers a creepy hiking experience through an abandoned, timber-lined railroad tunnel.

Cincinnati's abandoned 19th-century beer tunnels, dug by German immigrants for lager brewing, are being mapped by the city. The Brewery District Community Urban Redevelopment Corporation has been ...

Gareth Fuller/PA Wire/AP Photo — -- A series of previously closed-off tunnels used during World War II that run along a part of England's coast have been excavated and reopened. The tunnels, ...

NEW ORLEANS (WGNO) — Since Hurricane Katrina, Charity Hospital in Downtown New Orleans has been abandoned. One local urban explorer recently went inside to discover more about the underground tunnels.

IRBIL, Iraq -- ISIS extremists have reveled in destroying ancient shrines and antiquities, posting videos on social media of their vandalism. In an odd twist, however, they've inadvertently uncovered ...

CINCINNATI (Cincinnati Business Courier) - The city of Cincinnati has advanced an effort to repurpose its abandoned subway tunnels, an ambitious idea whose viability is unclear and whose timeline ...

Cincinnati, you’re funny sometimes. As a relative newcomer − my family and I have been here two and a half years − I’ve followed several city and regional planning discussions with keen interest and ...

Beneath Paris’ grand boulevard lies a hidden history filled with buried secrets, ancient passageways, and forgotten worlds. For adventurous travelers and history enthusiasts alike, these underground ...

CINCINNATI (WKRC) - Nearly a century after plans were abandoned, Cincinnati wants to find a use for its subway tunnel. The city is calling for redevelopment proposals for the tunnel. Through the ...

Anytime I have a chance to explore ancient abandoned tunnels I take it. I haven't had a chance to go into Cincinnati's infamous abandoned subway and won't likely soon. The city doesn't let people into ...