Based on the hidden tunnel’s features and the home’s history, archaeologists believe the underground structure was an emergency escape route or a secret entrance from WWI.

Most people exploring a city focus on what’s above ground. But in several cities across the U.S., there's an entirely ...

Contractors renovating a historic home in Belgium stumbled upon the entrance to a secret tunnel identified by archaeologists as an escape route from World War I. Photos show the long-forgotten yet ...

A long-secret network of tunnels 100 feet below the streets of London could be the city’s next big tourist destination with a museum, memorial and underground bar.

The tunnels lie directly below London Underground’s Central Line in the city’s Holborn area. Work to dig them began in secret in 1940, when Britain feared invasion by Nazi Germany.

Based on the hidden tunnel’s features and the home’s history, archaeologists believe the underground structure was an emergency escape route or a secret entrance from WWI.

Based on the hidden tunnel’s features and the home’s history, archaeologists believe the underground structure was an emergency escape route or a secret entrance from WWI.

Based on the hidden tunnel’s features and the home’s history, archaeologists believe the underground structure was an emergency escape route or a secret entrance from WWI.

Contractors renovating a historic home in Belgium stumbled upon the entrance to a secret tunnel identified by archaeologists as an escape route from World War I. Photos show the long-forgotten yet ...

Based on the hidden tunnel’s features and the home’s history, archaeologists believe the underground structure was an emergency escape route or a secret entrance from WWI.

Contractors renovating a historic home in Belgium stumbled upon the entrance to a secret tunnel identified by archaeologists as an escape route from World War I. Photos show the long-forgotten yet ...

Based on the hidden tunnel’s features and the home’s history, archaeologists believe the underground structure was an emergency escape route or a secret entrance from WWI.