The Boring Company’s Music City Loop might be Nashville’s most talked-about tunnel right now, but it’s far from the only noteworthy infrastructure just under the city’s ...

The Great Pyramid of Cholula, the largest pyramid by volume in the world, was constructed and expanded over centuries beginning around 500 BCE. Archaeological evidence, tunnels and documented ...

The Great Sphinx of Giza continues to spark imagination as researchers and alternative theorists debate its hidden tunnels.

For pilots and aviation enthusiasts, a tour of the Boeing factory, the largest airplane manufacturing plant in the world is a ...

A federal judge has stopped the Trump administration from halting billions of dollars in funding for a massive infrastructure project to build a new train tunnel under the Hudson River, between New ...

Construction continues on the Hudson Gateway Tunnel project to connect New Jersey to Penn Station on October 17, 2025 in New York City. Getty Images President Donald Trump may be a shrewd negotiator, ...

New York and New Jersey sued the Trump administration Tuesday for withholding federal funding for a new $16 billion rail tunnel under the Hudson River. The project manager overseeing construction of ...

The Gateway Development Commission said that if the federal government continued to withhold funding for a rail link under the Hudson River, it would have to stop construction this week. By Patrick ...

A tunnel is under construction in Manhattan that will connect the Hudson River rail tunnel to New York Penn Station on Thursday, Oct. 2, 2025, in New York. (AP Photo/Ted Shaffrey) From Camden and ...

An immersed tube is an underwater tunnel composed of several prefabricated segments, constructed on dry land, and then floated to a construction site. This construction site is a trench dug into ...

The builders of the Gateway project, a critical rail tunnel between New York and New Jersey, warned that construction cannot continue without the withheld federal money. By Patrick McGeehan All work ...