Tokyo Sky Tree - Japan's Tallest Tower

The Tokyo Sky is a broadcasting, restaurant and observation tower in Sumida, Tokyo, Japan. It has been the tallest artificial structure in Japan since 2010.The tower reached its full height of 634.0 metres (2,080 ft) in March 2011 but will not be finished until at least February 2012.

Toronto's CN Tower EdgeWalk

The EdgeWalk is a new addition to Toronto’s CN Tower that lets small groups of people hang 1,168 feet off the top of the CN Tower.

The EdgeWalk plans to operate from May to October in all sorts of weather conditions excluding electrical storms and high winds. The cost for a walk is $175 and includes a keepsake video to show off to your friends.