A herd of African elephants instinctively formed an "alert circle" to protect the younger elephants at the San Diego Zoo ...

Move over, Golden Gate and Sydney Harbour. China is set to open the world’s tallest bridge in June, the latest feat of engineering from the infrastructure-focused country.

Hikes in the Grand Canyon are more difficult than most people realize, but this trail is the most dangerous due to its steep ...

Every night, in the depths of the Colca Canyon, a poem appeared on my pillow, the lines printed on a single sheet of ...