There’s nothing better than being in the mountains. The air is fresh and cool. The scenery is like the Lord of the Rings movies. What could be better? Suddenly, the weather is changing. Fog hides ...

Elizabeth Lavis planned to hike one of the highest mountains in the Bolivian Andes for her birthday. She said she climbed too quickly, lacking preparation and acclimation, and got altitude psychosis.

There is a powerful and primal urge in many of us to leave the pavement and seek the horizon on foot. Forget crowded city ...

SANTIAGO, Chile — It's autumn in South America and in Chile's capital, Santiago, that means great hiking weather in the steep hills above the city. Santiago is vast, more than six million people ...