California’s Wet Winter Brought Back an Ancient Lake
After an exceptionally wet California winter, the once-vanished Tulare Lake reemerges, reclaiming a portion of its historic expanse.
Where to View the Milky Way in the United States
Wilderness areas and national parks, particularly in the western half of the United States, are excellent places to observe the night sky.
Geography of Giant Sequoias
Giant sequoias are one of the longest lived tree species, with the oldest giant sequoia living an estimated 3,400 years.
Barrier Islands in the United States
Barrier islands are narrow stretches of land that run parallel to coastlines.