With elevations ranging from 5000 feet with a Chihuahuan Desert ecosystem to mixed conifers at 9000 feet, the South Mogollon Rim is comprised of many diverse species of plants and animals from ducks to lizards.

With elevations ranging from 5000 feet with a Chihuahuan Desert ecosystem to mixed conifers at 9000 feet, the South Mogollon Rim is comprised of many diverse species of plants and animals from ducks to lizards.

With elevations ranging from 5000 feet with a Chihuahuan Desert ecosystem to mixed conifers at 9000 feet, the South Mogollon Rim is comprised of many diverse species of plants and animals from ducks to lizards.

With elevations ranging from 5000 feet with a Chihuahuan Desert ecosystem to mixed conifers at 9000 feet, the South Mogollon Rim is comprised of many diverse species of plants and animals from ducks to lizards.

With elevations ranging from 5000 feet with a Chihuahuan Desert ecosystem to mixed conifers at 9000 feet, the South Mogollon Rim is comprised of many diverse species of plants and animals from ducks to lizards.

With elevations ranging from 5000 feet with a Chihuahuan Desert ecosystem to mixed conifers at 9000 feet, the South Mogollon Rim is comprised of many diverse species of plants and animals from ducks to lizards.

Geologist John Goodge looks for clues about Antarctica's past in the two percent of the continent that is not covered in ice! The University of Minnesota, Duluth professor studies rocks that help provide evidence about how this desolate continent has formed and changed over time. He also hopes to get a better idea of what the Earth looked like long before the seven continents we have now. Goodge and his colleagues are supported by the U.S. Antarctic Program, which is managed by the National...

Yosemite is one of the busiest tourist destinations in America, millions of people travel here during the summer to see the few last remaining gigantic trees. But on the southern border lies some trees that most people didn't even know existed. Here we discovered a Sugar Pine that had a trunk circumference of 19'.

Yosemite is one of the busiest tourist destinations in America, millions of people travel here during the summer to see the few last remaining gigantic trees. But on the southern border lies some trees that most people didn't even know existed. Here we discovered a Sugar Pine that had a trunk circumference of 19'.

Yosemite is one of the busiest tourist destinations in America, millions of people travel here during the summer to see the few last remaining gigantic trees. But on the southern border lies some trees that most people didn't even know existed. Here we discovered a Sugar Pine that had a trunk circumference of 19'.