
Mar 20 - By Chris Kahn, AP Energy Writer
Walking gingerly across the translucent surface, visitors hear the glass layers creak. Far below, directly underfoot, they see the Colorado River as a pea-green ribbon.

Mar 20 - By Chris Kahn, AP Energy Writer
Indian leaders and a former astronaut stepped gingerly beyond the Grand Canyon's rim Tuesday, staring through the glass floor and into the 4,000-foot chasm below during the opening ceremony for a new observation deck.

Mar 7 - By Chris Kahn, AP Energy Writer
An Indian tribe fastened a massive glass-bottomed walkway to the edge of the Grand Canyon on Wednesday as part of an ambitious tourism center that has angered environmentalists and some tribal members. The Hualapai (pronounced WALL-uh-pie), an impoverished tribe of about 2,200 people at the canyon's remote western edge, allowed a private developer to construct the $30 million Skywalk in hopes of luring tourists to the region.