The underground walkway connects the Capitol to the nearby Multi-Agency Complex building, commonly known as Big MAC. The two are roughly 50 yards apart down a steep hillside. From above, the road ...

A retired construction worker has spoken of his pride at building Metro’s iconic network of tunnels, 50 years on from the project’s start date. Ralph Maughan, 86, of Seghill in Northumberland ...

Those pod-like outsoles aren't just for show—the shoes on this list are comfortable, fast, and fit great.

Two tunnel boring machines (TMBs) named Karen and Madeleine will dig the final stretch of tunnels to bring HS2 into Euston station. There are currently 4.5 miles (7.3km) of tunnels left to bore ...

Secret tunnels beneath an Assad family mansion were ... until the unveiling of London's Shard in 2012 was Europe's tallest building - is home to some of Russia's wealthiest businessmen, government ...