Yellowstone National Park is full of hot springs, geysers and grizzly bears. It also has stone forests, glass cliffs, a glacial lake and colorful canyons create

The River Thames has a colorful history. It was a river highway long before railways and roads were built. It has brought flood, disease and death to thousands

The Ganges River or River Ganga begins in an ice cave in the Himalayan Mountains. It flows through India and Bangladesh and enters the sea at the world’s larg

The Sahara is a land of extremes. It is the largest hot desert on Earth where the sand can reach a whopping 176 degrees Fahrenheit (80 degrees Celsius). It is a

Often called ���the roof of the world��� the Himalayas are the highest mountain range on Earth. They have over 100 peaks that are 4.5 miles (7 kilom