SAN FRANCISCO CITY: THINGS TO DO. #1. Golden Gate Bridge, San Francisco Bay. The iconic Golden Gate Bridge is easily one of the most instantly recognizable bridges in the world. It is certainly the most adored bridge in California, giving it the top slot on our list of 25 Things to do and see in San Francisco. This bright red suspended bridge can generally be walked across in under an hour.
Animal Bridge: BANFF NATIONAL PARK, CANADA - The wildlife overpass provides safe passage for all manner of creatures to cross the Trans-Canada Highway from one part of the vast Banff National Park to the other. The structure appears to be both man-made yet primitive.