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Photo: CrankyScorpion at English Wikipedia, CC BY-SA 3.0 via Wikimedia Commons
In the middle of a residential neighborhood, Mt. Davidson Park (which boasts the highest point in San Francisco) offers great hiking trails. Mt. Davidson's most distinguishing feature is a 6-story cross nestled among the many eucalyptus trees, which can be seen from various spots in the city depending on which angle you´re looking from. It was constructed as part of the WPA program of the 1930s, and is now dedicated as a memorial to the Armenian Genocide. At the peak, you're rewarded with great views of downtown and the bay.
Mount Davidson is the highest natural point in San Francisco, California, with an elevation of 928 feet (283 m). Located on the West Side of the city, Mount Davidson sits south of Twin Peaks and Portola Drive and to the west of Diamond Heights and Glen Park. It dominates the southeastern view from most of Portola Drive. It is one of San Francisco's many hills and one of its original "Seven Hills".
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A quiet city park great for hiking, dogwalking and nature viewing, containing a steep canyon situated amidst some residential neighborhoods. The park offers a rare glimpse into what the hilly landscape of San Francisco looked like before development. A small creek, Islais Creek, runs through the canyon and is one of the last free-flowing streams in the city.
Weird, creative, elaborate, immersive museum created by artist and circus impresario Gregangelo Herrera.
The small parking area at the northern tip of Twin Peaks Boulevard (875' above sea level) is near the physical center of the city, and one of its highest points, providing spectacular views in all directions. Tour buses can get backed up here during the day, but it's a great place to really appreciate the city from above, especially at and after sunset. Temperatures up there can be quite a bit lower than in the rest of the city, so bring a jacket. Muni bus #37, a scenic ride from the Haight-Ashbury or Castro and Market streets, gets you close, so you only have to climb the last 120' up.
Though not a typical architectural attraction, this tower is nevertheless a well-known landmark among locals. Built in the 1970s to provide television reception to the city's hilly neighborhoods, this three-pronged antenna tower reaches 977 feet into the air atop one of San Francisco's tallest hills and is visible from just about anywhere in the city when it's not shrouded in fog. While the tower itself is off-limits to the public, there are walking trails that get very close to the base of the tower and offer great views of the surrounding neighborhoods.
This library was the site of one of the highest profile arrests in the 21st century, as Ross Ulbricht, alias The Dread Pirate Roberts, was arrested here in the Science Fiction section in 2013.