Fort Point National Historic Site
Dwarfed today by the Golden Gate Bridge, this brick fortress constructed between 1853 and 1861 was designed to protect San Francisco from a Civil War sea attack that never materialized. It was also used as a coastal-defense fortification post during World War II, when soldiers stood watch here. This National Historic Site is now a sprawling museum of military memorabilia. The building, which surrounds a lonely, windswept courtyard, has a gloomy air and is suitably atmospheric. It's usually chilly, too, so bring a jacket. The top floor affords a unique angle on the bay.
Take care when walking along the front side of the building, as it's slippery and the waves can have a dizzying effect.
The popular guided candlelight tours, available only in winter, book up in advance, so plan ahead. Twice a day on days that the site is open (Fridays and weekends), rangers provide short orientations to the site's history. And, a few days a year, the site holds a Living History Day complete with Civil War reenactments, including a look at the music and medicine of that 1800s era.
