Clandestine Explorers Roam Ancient Paris Tunnels
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Deep beneath the streets of Paris, police  are playing a game of cat and mouse with a band of explorers  who have turned the city's underground tunnels and chambers  into their personal playground.
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A pair of French Egyptologists who suspect they have found a previously unknown chamber in the Great Pyramid urged Egypt's antiquities chief to reconsider letting them test their theory by drilling new holes in the 4,600-year-old structure.
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AGEING but still on the go, climbing in and around craters, tapping into the mysteries of strangely cracked rocks, the two roving vehicles, Spirit and Opportunity, have explored Mars about three times as long as originally scheduled and keep finding
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For centuries the whereabouts of the Holy Grail, supposing it exists at all, has exercised the minds of scholars and tested the endurance of treasure hunters.
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On August 20, a riot was narrowly averted at a protest in Montebello, Quebec, when an alert and observant protester noticed that three masked men seemed out of place among the crowd - one of them carried a fist-sized rock and refused to put it down when repeatedly asked.  The men refused to unmask or identify themselves.  Eventually, the three masked men rushed the police line and were seemingly arrested.  Allegations immediately surfaced that the men were undercover police officers.  These allegations were later confirmed, as the Quebec police admitted that the three masked men were, in fact, police officers.
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An Austrian artist has dug into a project so ambitious not even his great-great-great grandchildren - or their great-great-great grandchildren - will see it completed: tunneling from Graz to a city in ...
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It was an historic and sensitive trip, planned with precision -- and in secret -- at a time of high tension in the Cold War.
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As the train speeds under London, the sharp-eyed traveller spies through the window that the darkened tunnel is suddenly wider, and appears to be covered in dusty tiles.
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Archaeologists unearthing the remains of George Washington's presidential home have discovered a hidden passageway used by his nine slaves, raising questions about whether the ruins should be incorporated into a new exhibit at the site.
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A probe into the mysterious shooting of two soldiers has revealed the existence beneath the Serbian capital of a secret communist-era network of tunnels and bunkers believed to have served recently as hideouts ...
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For the last five years, archaeologists have been slowly unearthing the remains of Thang Long, uncovering millions of artifacts spanning 1,300 years.
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A new documentary thick with tales of spies and secretive submarine landings traces how Nazis smuggled gold and cash from Europe to Argentina, a notorious safe haven for war criminals after World War II.
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In many instances, stolen art masterpieces are recovered almost out of the blue, long after investigators have stopped actively pursuing leads.
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Behind thick concrete walls and iron doors, Ho Chi Minh and other top Vietnamese leaders hid in secret underground tunnels during U.S. B-52 bombing raids to plot key military strategies that led to America's defeat in the Vietnam War.
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Host to Hitler's henchmen and part-time  spy for the French resistance, Claude Terrail is one of many  Parisians who led a double life under Nazi occupation.
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In the Andes mountains, forests cloak the ruins of a pre-Inca civilization, the size and scope of which archaeologists are only now beginning to understand.
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The CIA ran secret jails in Poland and Romania to interrogate key terror suspects, shackling and handcuffing inmates, keeping some naked for weeks and reducing contact with the outer world to masked and silent guards, a European investigator said Friday.