Millions of years later these would become the giant rocks called Half Dome and El Capitan in Yosemite Park.

VOA: special.2009.01.07

One of these trees is called Grizzly Giant.

VOA: special.2009.01.07

These are the giant Sequoia Trees.

VOA: special.2009.01.07

And we started seeing these big,giant periods of drought that took place around that time.

VOA: standard.2010.04.05

Several miles off the Eastern Louisiana coast these barrier islands are all that stand between treasured wetland habitats and the giant oil slick adrift in the Gulf of Mexico.

VOA: standard.2010.05.09