1. Golden Gate Bridge in San Francisco, United States Opened on 27 May 1937 and was the longest suspension bridge span in the world at the time. This remained until Verrazano Narrows bridge was built in New York in 1964, Golden Gate bridge is now the seventh longest main span and one of the most amazing bridge in the world. …
1. Alcatraz Island in San Francisco Alcatraz Island is an island located in the San Francisco Bay, 1.5 miles (2.4 km) offshore from San Francisco, California, United States. Often referred to as “The Rock”, the small island was developed with facilities for a lighthouse, a military fortification, a military prison, and a Federal Bureau of Prisons federal prison until March …