Culture, cocktails, castles, camels, fast cars and faster space ships -- only in Abu Dhabi

Skywalks, viewing platforms, observation decks. Various experiences with one result -- the promise to do it again soon

First zero-emission hydrogen train to begin operations in Germany

The world's first hydrogen powered, emission-free train is set to go into service in Germany in 2017 -- a ground-breaking innovation that could signal the phasing out of heavily polluting, diesel-powered trains.

The Italian region of Lombardy is crammed with secret spots for visitors who leave the city and head off the beaten track

From Cup Noodles to Tamagotchis, Japanese culture is full of surprises

The truth about patient zero and HIV's origin

A new HIV study clears the name of Gaëtan Dugas as patient zero, and provides new insight into how the virus spread to the United States.

Just 30 minutes away from the casino glitz, Macau's Coloane island is a world apart