- 14th and U Streets, DC
- Adams Morgan, DC
- AIA 150: America's Favorite Architecture
- American Rivers
- Baltimore
- Baltimore Rock Opera Society
- Bethesda, Maryland
- Bike Nation
- Bike Trails
- BloomingdaleDC
- Capitol Hill
- Capitol Riverfront, DC
- Chesapeake and Ohio Canal
- City Skylines
- Columbia Heights, DC
- DC @ Night
- DC Chinatown
- DC Photo Rights
- DC Strokes Rowing Club
- DC Under Construction
- Downtown
- Dupont Circle, DC
- Firehouses
- Flickr API
- Friends of the High Line
- Georgetown - Washington, D.C.
- H Street, NE
- Hirshhorn Museum and Sculpture Garden
- Inside the DC Metro
- Light Junkies
- Light Paint
- Lincoln Memorial
- Marching Bands
- Mobility Halloween
- Mount Pleasant, D.C.
- National Gallery of Art - Washington
- New York City Subways
- Nikon Digital
- NoMA - Washington, DC
- On the waterfront
- painting with light
- Railfan Atlas
- roads
- Rock Creek Park (DC MD)
- Rock Ledge Ranch
- rowing
- santarchydc
- Smithsonian
- Smithsonian American Art Museum and the Renwick Gallery
- Storefronts
- street signs
- Strobist.com
- The Georgetown Metropolitan
- The National Archives Visitors' Group
- The Potomac River
- The United States Botanical Garden, DC
- The White House
- Thomas Jefferson Memorial
- Traffic Lights
- Train Stations
- US Capitol
- WABA Event Photos
- washcycle
- Washington Ghosts
- Washington National Cathedral