NEW research into a mysterious 2,000-year-old relic may have finally revealed its true purpose – and it’s very different to ...

Way down. These weren't just glorified bomb shelters or cozy hobbit holes; these ancient underground cities were full-blown ...

There are many ancient villages, towns and even cities around the world, but very few of them are located underground. However, there is one spot in a country loved by tourists where that happens ...