Perched on the edge of Grand Canyon, a surprising stone tower celebrates ancient mysteries of the Southwest.

The Desert View Watchtower is a monument to a time, a place and a people. Discover what inspired architect Mary Colter to build the Watchtower in 1932, and the significance it has to the many tribes that call Grand Canyon home.

Produced by the National Park Service in association with Bristlecone Media and Grand Canyon Association, the official nonprofit partner of Grand Canyon National Park

The 25rd annual Grand Canyon Star Party will be held this June on both the South and North rims of Grand Canyon National Park. Amateur astronomers from across the country will volunteer their expertise. Free slide programs will be offered and numerous telescopes will be set up to view planets, star clusters, nebulae, galaxies, the moon, and the sun. National parks such as Grand Canyon are protective harbors for some of the last remaining dark skies in this country. Weather permitting; you can expect spectacular views of the universe!

This event is sponsored by the National Park Service, Tucson Amateur Astronomy Association (South Rim), and Saguaro Astronomy Club of Phoenix (North Rim), with funding from the Grand Canyon Association.

http://go.nps.gov/gcnightsky Journey to a place where the Milky Way stretches across the heavens. Experience the mystery and wonder of Grand Canyon's night sky with Astronomer Tyler Nordgren and Park Ranger Rader Lane. Explore its beauty and learn what you can do to help preserve it.

In Episode 03, "Phantom Ranch," visit a historic oasis nestled at the bottom of Grand Canyon; a storied place that can only be reached on foot, by mule, or by rafting the Colorado River.

Grand Canyon In Depth is a video series that explores the natural and human history of Grand Canyon National Park. Join park rangers, scientists, and historians as they take us beyond the rim of the canyon to discover the diversity of life and the extraordinary beauty of Grand Canyon National Park.

Produced by the National Park Service in association with Bristlecone Media and Grand Canyon Association, the official nonprofit partner of Grand Canyon National Park.

In Episode 02,"Hidden Waters," travel with scientists to explore springs hidden deep within Grand Canyon. The ecosystems of Grand Canyon's seeps and springs represent some of the most complicated, diverse, productive, provocative, and threatened ecosystems on earth.

Grand Canyon In Depth is a new video series that explores the natural and human history of Grand Canyon National Park. Join park rangers, scientists, and historians as they take us beyond the rim of the canyon to discover the diversity of life and the extraordinary beauty of Grand Canyon National Park.

Produced by the National Park Service in association with Bristlecone Media and Grand Canyon Association, the official nonprofit partner of Grand Canyon National Park.

In Episode 02,"Hidden Waters," travel with scientists to explore springs hidden deep within Grand Canyon. The ecosystems of Grand Canyon's seeps and springs represent some of the most complicated, diverse, productive, provocative, and threatened ecosystems on earth.

Grand Canyon In Depth is a new video series that explores the natural and human history of Grand Canyon National Park. Join park rangers, scientists, and historians as they take us beyond the rim of the canyon to discover the diversity of life and the extraordinary beauty of Grand Canyon National Park.

Produced by the National Park Service in association with Bristlecone Media and Grand Canyon Association, the official nonprofit partner of Grand Canyon National Park.

In "More Than A View," Park Ranger Stephanie Sutton invites us to go beyond the rim and explore all that Grand Canyon National Park has to offer; diverse life zones, landforms, and cultural history.

Grand Canyon In Depth is a new video series that explores the natural and human history of Grand Canyon National Park. Join park rangers, scientists, and historians as they take us beyond the rim of the canyon to discover the diversity of life and the extraordinary beauty of Grand Canyon National Park.

Produced by the National Park Service in association with Bristlecone Media and Grand Canyon Association, the official nonprofit partner of Grand Canyon National Park.

WATER is the lifeblood of Grand Canyon a force of erosion, a sustainer of scarce riparian habitat in a desert environment, a spiritual element for native peoples, a provider of recreation, and a central factor in the exploration, development, and politics of the American West.

This video was recorded on April 17, 2011 at Pipe Creek, which is along the Tonto Trail and east of Indian Garden. The condor in the video is #87, a male, hatched in captivity on 4/22/1998. In 2008: sired 476M/H6 w/ 133F/33 in Redwall cave below Grandeur Point.

Learn more about CA Condors in Grand Canyon National Park here: http://www.nps.gov/grca/naturescience/california-condors.htm

In the natural world, when plants and animals benefit each other we call it a symbiotic relationship. Here at Grand Canyon National Park, we have lots of examples, including the relationship between yucca moths and yucca plants, between tassel-eared squirrels and ponderosa pines, and between badgers and coyotes.

A Visit to Tusayan Indian Ruins and Museum provides a glimpse of Southwestern Pueblo Indian life some 800 years ago. Park Ranger Brian Gatlin introduces us to these ancient people who called Grand Canyon "home." In what ways were their lives similar to ours today?

Tusayan Ruin is located three miles west of Desert View in Grand Canyon National Park and is open daily 9:00 a.m. to 5:00 p.m.