Largest Alpine Lake in North America
Located in the Sierra Nevada mountain range, Lake Tahoe is a freshwater lake that straddles the border between California and Nevada.
Rivers in the United States are Changing Colors
A team of researchers analyzed Landsat images over a 38-year period and found that a significant number of large U.S. rivers are changing colors.
South America’s Only Natural Oasis
Located in the sand dunes in southwestern Peru on edge of the Atacama desert is the only natural oasis in the continent of South America.
The Sea of Galilee’s Water Levels are on the Rise
Heavy rains have helped the water level in the Sea of Galilee to rebound.