Lemmon Sky Center professional observatories on the mountain, there are occasional ... providing an opportunity to explore the breathtaking desert landscapes. I n addition to horseback riding ...

High in the Himalaya, a desert is turning green ... 64-foot-tall “ice stupa”—an artificial glacier made by piping mountain streams into a Ladakhi village. The water spouts geyser-like ...

Mountains are areas of land that are much higher than the land surrounding them. They are higher and usually steeper than a hill and are generally over 600 metres high. They are often found ...

A visit to the ancient bristlecone pine forest in California's White Mountains begins with a dramatic climb from the desert in Owens Valley at 4,000 feet elevation to the Schulman visitor center ...