The ranges and valleys of the Swiss Alps stand out in this image captured ... flat area of snow and ice high in the mountains called Concordia, where three smaller glaciers converge.

The Swiss Alps are attracting a growing number of investors, prepared to pump hundreds of millions of francs into vast tourist complexes. But at what cost?

Using high-resolution digital terrain models and ... Hidden for two millennia, 7,000 feet up in the Swiss Alps, the Roman camp was protected by three ditches and a wall with ramparts.

That is if you can afford it. A ticket for the plush eight-hour journey through the picturesque Swiss Alps costs about $540, tenfold the price of the train's basic fare. However, the sweet seats ...