Thirty-one people working in a massive underground tunnel in Los Angeles were rescued Wednesday night after a portion of the structure collapsed, officials said.

During renovation of a street in Split, Croatia, archaeologists revealed an ancient Roman tunnel leading to cellars of Diocletian’s Palace.

An Amazon van caught on fire Monday inside the eastbound side of the Ted Williams Tunnel and slowed the commute to Boston's Logan International Airport.Massachusetts State Police troopers ...

A squad of construction workers descend daily under the streets of Baltimore. They labor deep down, in the semi-secret and highly restricted chamber known as the Howard Street Tunnel. The massive ...

Border Patrol agents find a half-mile-long drug tunnel from Mexico to US near Otay Mesa, equipped with lighting and rail system, thwarting illegal activities.

U.S. Border Patrol agents shut down the construction of a 2,918-foot-long tunnel connecting Tijuana and San Diego with the aid of Department of Homeland Security officials and Mexican authorities.

Border patrol agents discovered an underground tunnel connecting a residence in Tijuana to the San Diego area, which authorities said was being built to smuggle narcotics across the border ...

An incomplete but “highly sophisticated” drug-smuggling tunnel between Tijuana and Otay Mesa was located and disabled by the U.S. Border Patrol, officials said Wednesday. The cross-border ...

An incomplete drug-smuggling tunnel between Tijuana and Otay Mesa was located and disabled by the U.S. Border Patrol, officials said Wednesday.

U.S. Border Patrol agents have discovered and disabled a highly sophisticated, large-scale drug smuggling tunnel running from Tijuana, Mexico, into the Otay Mesa area of San Diego, authorities anno… ...