This document lists various famous structures from around the world including bridges, towers, dams, and monuments. Some of the structures mentioned are the Tower Bridge, Humber Bridge, Hangzhoubay Bridge, Golden Gate Bridge, Butterfly Bridge, Fourth Bridge, Hartland Covered Bridge, Carr Bridge, Burj Dubai Skyscraper, Leaning Tower of Pisa, Statue of Liberty, Hoover Dam, Three Gorges Dam, St. Louis Arch, Taipei 101 Tower, Shanghai World Financial Center, Parthenon, Willis Tower, Great Pyramids, and Sphinx.