http://www.life.com/images/logo.png http://www.life.com/image/first/in-gallery/29862/the-ledge-acrophobes-beware http://www.life.com/image/88780885 A boy tries out the Sears Tower's new Ledge, a glass cube that juts out from the 103rd floor, 1,353 feet above the street in Chicago.]]> 88780885 Wed, 01 Jul 2009 03:00:00 EDT A boy tries out the Sears Tower's new Ledge, a glass cube that juts out from the 103rd floor, 1,353 feet above the street in Chicago.]]> Scott Olson 2009 gettyImages.com http://www.life.com/image/88778825 CHICAGO - JULY 01: A visitor stands out on the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> 88778825 Wed, 01 Jul 2009 03:00:00 EDT CHICAGO - JULY 01: A visitor stands out on the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> Scott Olson 2009 gettyImages.com http://www.life.com/image/88777485 CHICAGO - JULY 01: A photographer shoots from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> 88777485 Wed, 01 Jul 2009 03:00:00 EDT CHICAGO - JULY 01: A photographer shoots from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> Scott Olson 2009 gettyImages.com http://www.life.com/image/88777469 CHICAGO - JULY 01: A videographer shoots from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> 88777469 Wed, 01 Jul 2009 03:00:00 EDT CHICAGO - JULY 01: A videographer shoots from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> Scott Olson 2009 gettyImages.com http://www.life.com/image/88780892 CHICAGO - JULY 01: Five -year-old Anna Kane (L) and four-year-old Sophie Allaway check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> 88780892 Wed, 01 Jul 2009 03:00:00 EDT CHICAGO - JULY 01: Five -year-old Anna Kane (L) and four-year-old Sophie Allaway check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> Scott Olson 2009 gettyImages.com http://www.life.com/image/88781494 CHICAGO - JULY 01: Visitors check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> 88781494 Wed, 01 Jul 2009 03:00:00 EDT CHICAGO - JULY 01: Visitors check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> Scott Olson 2009 gettyImages.com http://www.life.com/image/88781489 CHICAGO - JULY 01: Children check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> 88781489 Wed, 01 Jul 2009 03:00:00 EDT CHICAGO - JULY 01: Children check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> Scott Olson 2009 gettyImages.com http://www.life.com/image/88781486 CHICAGO - JULY 01: Children check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> 88781486 Wed, 01 Jul 2009 03:00:00 EDT CHICAGO - JULY 01: Children check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> Scott Olson 2009 gettyImages.com http://www.life.com/image/88780650 CHICAGO - JULY 01: Visitors check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> 88780650 Wed, 01 Jul 2009 03:00:00 EDT CHICAGO - JULY 01: Visitors check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> Scott Olson 2009 gettyImages.com http://www.life.com/image/88781470 CHICAGO - JULY 01: Children stand on a glass floor as they check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> 88781470 Wed, 01 Jul 2009 03:00:00 EDT CHICAGO - JULY 01: Children stand on a glass floor as they check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> Scott Olson 2009 gettyImages.com http://www.life.com/image/88780644 CHICAGO - JULY 01: Children check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> 88780644 Wed, 01 Jul 2009 03:00:00 EDT CHICAGO - JULY 01: Children check out the view from the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> Scott Olson 2009 gettyImages.com http://www.life.com/image/88780902 CHICAGO - JULY 01: Visitors stand out on the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> 88780902 Wed, 01 Jul 2009 03:00:00 EDT CHICAGO - JULY 01: Visitors stand out on the Ledge, a new glass cube that juts out from the 103rd floor Skydeck of the Sears Tower, during a media preview July 1, 2009 in Chicago, Illinois. The 1,353 foot high observatory will open to the public tomorrow. (Photo by Scott Olson/Getty Images)]]> Scott Olson 2009 gettyImages.com