The Charles Kuonen Suspension Bridge has filigree sides and a grated bottom so we can counterpart into a depth below, if we dare. It takes about 10 mins to cross, providing a much-needed choice to a hollow track that routinely takes 3 to 4 hours, according to CNN.
Article source: http://www.huffingtonpost.com/entry/longest-suspension-bridge_us_598b75c5e4b0449ed507a3d2?section=us_travel