Explore abandoned Pennsylvania railroads where nature reclaims history—rusty tracks, mossy tunnels, and stone arches fading ...

An ominous, spiked fence guards abandoned train tunnels tucked away in the hills above Colorado Springs. The fence indicates a closure, with folklore pointing to a dark past of the area. Located ...

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 ...

The Catesby Tunnel is an abandoned railway tunnel in Northamptonshire, England. The tunnel ran trains on the Great Central Main Line between Sheffield and London for almost 70 years, before it was ...

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 ...

Many people visit Dehradun for its green hills and old charm but few know about the secret railway tunnels hiding under its beautiful landscape. These tunnels were made during British times and ...

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 ...

An urban explorer has uncovered a network of long-abandoned tunnels lying beneath one of Glasgow’s busiest shopping streets. Mitch Kelly, 34, ventured below Argyle Street in the city centre ...

Eleanor Beardsley shares what it's like to report from Paris, which is experiencing extreme heat due to climate change.