These coders used 13,000 old photos to make a Google Street View map of San Francisco in the 1800s

If you’ve ever wondered what it would feel like to travel back in time and walk the streets of San Francisco, this might be the closest you’ll get.

Two developers, Dan Vanderkam and Raven Keller, had the brilliant idea to take all the old photographs from the San Francisco Historical Photograph Collection and put them on an interactive map. This map functions similarly to Google Street View, except when you zoom in on a particular place, it gives you photos from as far back as 1850.

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The project, called OldSF, lets you manipulate a slider to change the range of years (it goes from 1850 all the way up to 2000). Vanderkam and Keller have geocoded about 13,000 images.

Visit the site here, or look below for some of the best photos we saw from the 1800s, marked with their locations in the city. (All photos via San Francisco History Center/San Francisco Public Library.)

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Point Lobos Avenue and 43rd, Dick’s Saloon, 1890

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Central Park, 8th and Mission, circa 1887

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Group of people overlooking the Cliff House from Sutro Heights, 1890

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Bush Street, west of Kearny, 1877

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Palm Avenue in Jefferson Square, 1881

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View from City Hall, looking south down 8th at Central Park, 1896

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Woodward’s Gardens, 1864

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California Street, looking east from Montgomery, 1865

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Exterior of the What Cheer House on the south side of Sacramento, below Montgomery, 1865

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Building on northeast corner of Front and California, 1890

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Baldwin Hotel bar, 1880

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Steuart Street, 1864

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J. C. Flood Mansion, California Street, 1886

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St. Luke’s Episcopal Church, southeast corner of Sacramento Street and Van Ness, 1895

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Sacramento and Van Ness, 1887

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Woodward’s Gardens, 1874

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Miss Lake’s School for Young Ladies, corner Sutter and Octavia, 1890

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Howard Street, looking east from 6th, 1866

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1919 California Street, 1887

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Southern Pacific passenger depot, 1879

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Cablecar at South Park, 1865

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Fire Engine No. 13 at 1458 Valencia, 1884

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Shotwell Street near 20th, Snowfall, 1887

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The Willows, 18th & Valencia, 1864

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Musicians performing outside the “Haunted Swing” at the Midwinter Fair in Golden Gate Park, 1894

This story originally appeared on Www.businessinsider.com. Copyright 2016