San Francisco, California is graced by two historic bridges. But they couldn't be more different!

The Golden Gate Bridge is only 1.7 miles long, but it spans one of the deepest parts of the Bay

In contrast, the Bay Bridge is over 8 miles long! It has multiple spans and also uses innovative techniques

You can bike over the Golden Gate Bridge, but the Bay Bridge has only limited pedestrian access

Amazingly, the Golden Gate Bridge was originally going to be black and yellow!

Swipe up for more facts about these amazing Bay Area bridges