The hydropower dam, in quake-prone Tibet, is set to be the world’s biggest. But China has said little about the project, ...

For those seeking big mountain adventures, there's nowhere better than the Himalaya. Located primarily in Nepal, the Himalaya boast 8 of the world's tallest mo ...

CNN’s Ben Wedeman dives deep underground in Rome to explore the Aqua Virgo, an ancient aqueduct that continues to supply ...