Sears Tower Ledge Set To Open   Jul 01, 2009 16:05:19

The Grand Canyon Skywalk protrudes over a 3600-foot drop with a glass floor, and the CN Tower in Toronto has a glass floor on part of its observation deck. ...View Full Article Read More

The Ledge at Sears Tower proves the s...   Jul 09, 2009 15:31:02

The experience is different than looking a glass floor, as you can do at Toronto's CN Tower. The bay thrusts you outside the tower's normal walls and ...View Full Article Read More

Sears Tower to undergo $350 million g...   Jun 26, 2009 08:28:16

CHICAGO (AP) — Wind turbines, roof gardens and solar panels will join the pair of antennas atop the Sears Tower's staggered rooftops, said building ...View Full Article Read More