An anonymous Hidden City benefactor has offered $10,000 in support of our in-depth coverage of Philadelphia’s rapidly changing built environment, providing a dollar-for-dollar match until the end of the campaign on December 31. We’re thrilled, of course: This is the largest private donation we’ve received for our non-profit journalism. But the stakes are high and we’re counting on you.

Give now to support in-depth coverage of Philadelphia’s changing built environment and double the money!

You may have noticed: recently we’ve been working hard to deliver focused and timely news and analysis on on preservation, public space, and real estate development. If this gift is matched we’ll be able accelerate this work, keeping you informed and aware, but also helping you to understand what’s at stake. At Hidden City we give you context and depth of observation you won’t receive elsewhere.

Need more reasons to donate now and double the impact? Here are 15 of our best stories of 2017, reporting and photography thanks to reader support on a super lean budget!

1. Shaping A New Urban Crossroads At 33rd And Chestnut, by Ann de Forest

2. A Royal Loss On South Street, by Michael Bixler

3. Archeologists Dish Up Dirt On Philly History Under I-95, by Jared Brey

4. In The Aftermath Of Charlottesville, Counting On The Catto Memorial, by Amy Cohen

5. Neighborhood Libraries Step Into The 21st Century, by Grace Diliberto

6. Wooden Icons of New York City’s Skyline Still Hewn in Olney, by Christopher Dougherty

7. Marked Potential: Graffiti Pier, by Shila Griffith

8. The Making (And Marketing) Of The Modern Gayborhood, by Kelson Northeimer

9. Khmer Monastery In Kingsessing Enlightens The Schuylkill, by Dan Papa

10. Row House: Past And Its Future, by Hilary Jay

11. Four Policy Tools To Advocate For At The Mayor’s Historic Preservation Task Force Meeting, by Starr Herr-Cardillo

12. Long-Forgotten Furness Building Discovered in Logan, by The Shadow aka GroJLart

13. Digging Up Vine Street In Search Of Old Skid Row, by Steve Metraux

14. Rediscovering The Dead Fleet Of The Delaware River, by Bob McNulty

15. Inside The Empty, Gilded Halls Of Elkins Estate, by Kris Catherine

We hope you agree these 15 reasons are enough to say: Yes, let’s do some more in 2018! More architecture, more history, more photography, more trips inside places you’ve never been before. Give now, double your impact, and keep the Hidden City Daily on track for 150 new stories in the new year.