January 1, 2015, 7am PST
An urban renewal project in Turkey yielded an unexpected archaeological bonanza: a 5,000-year-old, underground city.
October 13, 2014, 5am PDT
The October issue of Land Lines reveals the remarkable story of how an estimated one million people came to live in subterranean apartments in Beijing.
September 27, 2014, 11am PDT
With rapidly urbanizing metro areas, some cities are not looking to build up, or spread out, anymore. Rather they have begun to grow into underground spaces.
September 26, 2013, 12pm PDT
Singapore has built skywards and taken back land from the sea to accommodate its booming population. But as the city-state runs out of options for future growth, it's looking underground to build infrastructure, offices, and even public spaces.
July 26, 2011, 11am PDT
The immense drill that's burrowing a subway tunnel beneath New York City will remain underground after its work is through, a move to cut the expensive costs of removing it.
April 14, 2011, 9am PDT
Sidewalks in Holland have for years utilized piped-in waste heat to melt snow. Now, they've added an additional sidewalk amenity: a hearth.
February 24, 2011, 2pm PST
The city of Helsinki has developed a master plan for its burgeoning underground city.
February 21, 2011, 5am PST
Construction is nearing completion on the longest railway tunnel in the world.
January 6, 2011, 5am PST
A new video features urban explorer Steve Duncan as he adventures in the abandoned subway tunnels beneath New York City.
November 13, 2010, 11am PST
Officials in Finland are building a nuclear waster storage facility that is designed to last for at least 100,000 years.
November 4, 2010, 7am PDT
A six month trial will bring Wi-Fi Internet access into test locations within the London tube system, part of an effort by the city to bring Internet access to the entire system in time for the 2012 Summer Olympics.
November 4, 2010, 6am PDT
103 artists form around the world have unveiled a massive collection of murals in New York City. But they're underground in abandoned subways stations, and you can't go see them.
April 15, 2010, 11am PDT
<em>The Atlantic</em> guides a tour through the underground business zone of SubTropolis, a 5-million-square-foot complex 100 feet below Kansas City, Missouri.
February 11, 2010, 8am PST
The winner of the SHIFTboston Ideas Competition is a proposal to turn the unused Tremont Street Subway tunnel under Boston Common into a network of underground cultural venues.
January 26, 2010, 6am PST
An underground trolley station in Washington D.C. that later had a turn as a short-lived underground food court is being eyed by local artists as a possible site for a new underground cultural center and art space.
January 7, 2010, 10am PST
This video from <em>The Boston Globe</em> takes a look into the world below the city's subway system.
January 2, 2010, 11am PST
A group of historians and urban enthusiasts have developed a successful tourist organization that explores the underground structures and spaces of Berlin.
December 30, 2009, 2pm PST
<em>Triple Canopy</em> translates a Chinese interview with Shu Yu, one of the world's foremost underground urban planners. He talks about the potential of underground space for urban habitation.
September 25, 2009, 8am PDT
A community of hundreds of people live beneath the glitz of the Las Vegas Strip in flood control tunnels.
February 17, 2009, 5am PST
A man who has been leading tours of abandoned underground railroads in New York City is hoping to gain permission to break through a 19th century brick wall below the streets to find a perfectly preserved locomotive from the mid-1800s.