An eight-day closure of San Francisco’s Twin Peaks Tunnel began Thursday morning as the San Francisco Municipal Transportation Agency embarks on a project to retrofit the 106-year-old bore ...

If you want the best views of San Francisco, take a hike to Twin Peaks. These famous grassy peaks rise 922 feet in elevation, making them the second highest point in the city (after Mount Davidson).

Located in the city's Twin Peaks neighbourhood, the site offers impressive cityscape vistas across San Francisco. Working with the vertical axis, the architects made the most of the views, going high ...