Main Page | See live article | Alphabetical index Buildering (pun on bouldering) or urban climbing is climbing the outside of buildings and other urban structures. This is often illegal. Famous urban climbers Alain Robert -- Empire State Building in New York, Golden Gate Bridge in San Francisco, Sears Tower in Chicago, Eiffel tower in Paris, Arche de la Defense in Paris, Petronas Tower in Kuala Lumpur, Malaysia. Dan Goodwin, aka Spider Dan -- Sears Tower in Chicago (1981). George Willig -- World Trade Center External links Newspaper article on Alain Robert climbing the Jin Mao Tower in Pudong. Homepage of Alain Robert. Ascent of the Arche de la Defence This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.