An hour outside of Ho Chi Minh City in Vietnam, a vast network of tunnels are hidden 20 feet below the ground. They're called the Cu Chi Tunnels, and tourists travel from around the world to crawl ...

Soldiers who called themselves 'tunnel rats' fought an underground war in Vietnam through an intricate maze of hardened ...

Microsoft and our third-party vendors use cookies to store and access information such as unique IDs to deliver, maintain and improve our services and ads. If you agree, MSN and Microsoft Bing ...

Other needs were met inside South Vietnam. Main force Vietcong ... of the extent of the tunnel system at Cu Chi--the orange lines represent major tunnels ...

Plan a budget-friendly vacation in Vietnam, Romania, Poland, Hungary, and Serbia with these travel destinations for a perfect ...