Widescreen. Join scientists and adventurers as they explore the past, present and future of the Sierra Nevada's most precious resource, its water. Glide over the Yosemite Valley, climb trees as tall as buildings, and see how critters both great and small survive through drought, wildfires and mountains of snow. 60 minutes.
Item #: 4677684
This item is a DVD. It is in wide screen format. If included, digital download codes may be expired or not valid in your area.
THE NATIONAL TRAILS SYSTEM: An Illustrated HistoryPaperbound$21.95 $26.99
WORLD'S GREATEST WONDERS: From Nature's Special Places to Stunning Masterpieces Created by Outstanding Artists and ArchitectsHardbound$14.95 $19.99
AMERICA'S NATIONAL PARKSHardbound$17.95 $24.99
WORLD HERITAGE SITES, 7TH EDITIONPaperbound$9.95 $29.95