Crystal Cave, while not as easy to access, takes visitors back in geological time. Tickets must be purchased online in ...

The threat of a wildfire destroying California's sequoias appears to have eased. The Garnet Fire has not harmed any of the iconic trees.

Nothing quite compares to the majesty of a towering redwood tree. These forest giants have inspired generations of artists, from Albert Bierstadt and his sweeping portraits of the American West to the ...