- 20th-Century Prefab Homes
- 365 Days
- 62Garden
- A1 FLOWERS
- Abandoned
- Abandoned : No Hdr, No Tints, No crazy vignetting
- Alternative Views
- Urban trees
- AROUND ILLINOIS
- Bicycling Chicago
- BikeLIB
- Bikes and Transit
- Black white and grey
- Boarded Up and Abandoned
- Brand New Homes
- Brick & Stone Architecture
- Bridgeport, Chicago
- Built Chicago
- CafePhoto
- Cafes, Coffee Houses, Burger Joints, Food Carts.
- Calumet Region
- Catholic Hospitals, Schools and buildings
- Catholic School Architecture
- Chicago
- Chicago Architecture
- Chicago Area Photowalks
- Chicago Bank Building Exteriors
- Chicago Chain
- CHICAGO Gang Graffiti
- Chicago History Museum
- Chicago in Decay
- Chicago Journal
- Chicago magazine, Photos rock!
- Chicago Parks
- Chicago Patterns
- Chicago Perimeter Ride
- Chicago Pre-War Buildings
- Chicago Reader
- Chicago Southland
- Chicago Street Art
- Chicago Studies at UChicago
- Chicago Transit Authority
- Chicago Y
- Chicago's Architectural Ornamentation
- Chicago's Bikes
- Chicagoist Photos
- Chicagoland Bike & Walk Photo Contest
- Chicago’s Heraldry
- ChiFlickr Chicago Meetup Club
- Churches and Temples of Chicago
- Commercial Buildings With Towers
- Consumerist.com
- Copper on Buildings
- CurbedChgo
- D I E T R O F R O N T
- Deco/Moderne Courthouses
- Explore Chicago
- Explore Northeastern Illinois
- Facades (without perspective: 2D effect)
- First-Name Basis Signage Project
- Forgotten Chicago
- Former Chicago Synagogues
- French Norman, Eclectic, Revivalist: Chateaux, Manor, Cottage
- Friends of Midewin
- Gapers Block - Chicago
- Gapers Block Drive Thru - Chicago food & drink
- GARY!
- Gary, Indiana
- GLUE (Great Lakes Urban Exchange)
- goRiver Chicago
- Green Buildings + Sustainable Communities
- Groupless
- Historic Armories of U.S.A. and Canada
- Houses with Towers
- Illinois & Michigan Canal
- Illinois National Register of Historic Places
- Illinois Nature Trails
- in explore
- Italianate Architecture
- Lake Geneva Cruise Line
- Lake Michigan Weather
- Louis Sullivan, Architect
- Luminance HDR / Qtpfsgui
- Lustron: The House America's Been Waiting For!
- Memphis Tennessee (5 photos per day limit)
- metal as fuck
- Motor Row
- Nature Nerds
- Northwest Indiana
- Old Commercial Blocks
- pabst signs
- Panda portraits
- Parking Space Savers
- party walls / medianeras
- Praise and curse of the city
- Pressed Tin
- Pullman Chicago
- Red Brick & Blue Sky
- Rocker Reflector
- Rust Belt (Industrial Midwest USA)
- Saint John Cantius- Chicago
- Schoolhouse
- Science Chicago
- Sleepless in Chicago
- Slipcovertecture
- Snowpacalypse Chicago
- Something Horrible Happened Here
- South Loop Chicago
- South Side of Chicago
- St. Louis
- Storybook Homes and Gardens
- Streetsblog Chicago
- Suburban Chicago Architecture
- Sunset light
- Terra Cotta Chicago
- The Bungalow, Chicago-style
- The Great Train Story at the Museum of Science and Industry
- The Illinois [directory] !
- The Twentieth Century and Contemporary House
- The Unconscious Art of Demolition
- Time Out Chicago Photo Group
- U of C T-shirtiana
- UChicago
- UChicago Alumni Weekend 2011
- Ugly Transformation of a Building
- Unattended Luggage
- Urban_Infill
- Viewed From The Elevated Train
- WBEZ
- what's popping
- Wilmette
- Wolf River - West Tenn-North Miss.
- Yahoo! lightning strikes
- Yellow Brick Buildings