There are 18 National Parks in Maryland as well as an additional 10 affiliated sites that partner with the National Park ...

The long-hyped underground tunnels were to be built by tech billionaire Elon Musk’s Boring Company for an estimated $100 million. Many assumed the city pulled the plug two years ago when Fort ...

The Hawthorne Tunnel is a 1.14-mile tubular, underground tunnel that generally stretches around the perimeter of the Hawthorne Municipal Airport. The tunnel was built to test the operation of ...

Brown said DEA and Homeland Security Investigations (HSI) personnel must intensify their investigations into underground tunnels to discover "cover-ups" of the tunnels' U.S. exits. "Cover-ups" are ...

What if Cincinnati's old subway tunnels became an underground food hall and art market? Or canals for kayaking? Or speakeasy spots? The city asked for ideas on what to do with the unused subway ...

After centuries of speculation, archaeologists in Peru have confirmed the existence of an underground tunnel network, thought to have been built by the Incas. The groundbreaking discovery was ...

located at 3600 Boston St., which is almost five miles away either through downtown or via the Fort McHenry Tunnel. The branch, which opened in 2012, was PNC’s second smallest in Baltimore with ...

After centuries of speculation, archaeologists in Peru have confirmed the existence of an underground tunnel network, thought to have been built by the Incas. The groundbreaking discovery was found ...

Recently, archaeologists confirmed a long-held rumor: the existence of labyrinth of underground tunnels extending out from the temple, sometimes over a mile in length. First hinted at in ...

“Constructing a tunnel now is completely different than it was when the Big Dig was being planned,” wrote Rob N. from Reading. “Boring machines can make the work mostly happen underground ...