- "THE EXTRAORDINARY PHOTOGRAPH"
- * CityScapes & City Life
- 12 Hours
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- All aboard! Trains - Real and Surreal
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- architecture porn
- Arm's Length Self Portrait Experience
- art of landscape
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- Beautiful Capture
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- Churches - Please read the rules before posting
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- Crafty Bastards 2007
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- DC in BW
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- DC Photo Rights
- DCist Exposed Photography Show 2010
- DCist Photos
- dcphotogs
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- Denver
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- Flickr Crazy - Don't Get Cured, Stay Flickr Crazy!
- Flickr is for Photos - Not Video
- FlickrCentral
- Flora and Fauna
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- Flower Photography
- FLOWER-POWER
- Food Porn
- FOOD: I Cooked/ Made this!
- Foodies
- Foodtography
- Fortresses, forts & fortifications of the World (photo guide)
- Gay Men in Glasses
- gayDC
- Geometry in architecture
- Ghost Signs
- Graffiti
- Graves, Tombs And Cemeteries
- Great Signs
- Hello Kitty
- Historic Preservation
- Human Rights
- I Love Food Group!
- I love vegetarian food
- Corydalis, Dicentra, and their relatives
- Masonic
- MASONS AND EASTERN STARS WORLDWIDE
- McKim, Mead and White
- National Geographic Wannabes
- National Register of Historic Places
- Nikon D70/s Users
- OUR STATE SIGNS
- Painted Wall Art
- PHOTO NOW
- Pretentious Photos that cool people hate
- queer photographers
- Redhead
- REFLECTIONS / DISTORTIONS
- Ringing Chambers and Views from Ringing Galleries
- Self-Portraits!
- Sign City
- Signs and Posters
- Signs of theTimes ©®™ (Sign Pictures)
- Snowpocalypse - Washington, D.C. - 12.19.09
- Stick Figures in Peril
- The Amateur Gourmet
- The Archi-photographical Oasis
- The Daily Report: The Daily Show + The Colbert Report
- The Grooviest Photographers in the World
- the real dc
- The Unofficial New York City Landmarks Preservation Commission
- This Place Matters
- Threadless
- trains
- Urban Decay
- Urban Night Shots
- US Forts (1670 - 1870)
- US National Historic Landmarks
- VULNERABLE / self-portraits that show us who you really are.
- Waldo
- WalkingTown DC Photo Contest
- Washington D.C. bloggers
- Washington DC/Metro Area
- Washington Nationals
- Washington, DC Metro Area Sights