SFO
Twin Peaks Summit is one of SFO.

1. Twin Peaks Summit

9.5
100 Christmas Tree Point Rd (at Twin Peaks Blvd), San Francisco, CA
Hill · Midtown Terrace · 274 tips and reviews

Fodor's TravelFodor's Travel: Pack water and snacks, and let a summit picnic be your reward. You can also drive up the Eureka North peak if hiking's not your thing.

Lombard Street is one of SFO.

2. Lombard Street

8.7
Lombard St (btwn Hyde & Leavenworth St), San Francisco, CA
Road · Russian Hill · 308 tips and reviews

Fodor's TravelFodor's Travel: Hand your cell phone or camera to your passenger and maneuver the eight tight turns from top to bottom amid the famous manicured hydrangeas. Then look back up: The best photo ops are from the bottom.

Alcatraz Island is one of SFO.

3. Alcatraz Island

9.4
Golden Gate National Recreation Area (San Francisco Bay), San Francisco, CA
Historic and Protected Site · 502 tips and reviews

Fodor's TravelFodor's Travel: Take time to savor a multitude of views: the island itself on your ferry ride, the Golden Gate Bridge from the recreation yard, and the city skyline from the paths surrounding the Cell House.