- Ad-Astra
- All aboard! Trains - Real and Surreal
- Astronomy
- Astrophotography - Astronomy - Astrophysics
- Backyard Birds
- Birds Photos - Check out the new discussions!
- Canadian Pacific Locomotives
- Canadian Pacific Railway
- Canadian Rockies
- Cats in Sinks
- Deep Space Astrophotography
- Garter Snakes
- Herp Photography
- I Love Trains
- Just the Moon, Please
- Manitoba Sights
- MetaFilter
- Model Trains
- Moon lovers
- MOON Shots
- Moon/Luna
- Old Maps
- Railroad Photography- shooting through the Night
- Railroads
- Railway
- Reptiles & Amphibians
- Royal Tyrrell Museum
- Sciensational Sssnakes!!
- Snapshot of the Past
- Splendour of Mountains
- Steam Trains
- The Moon [*current* photos only]
- The Pontiac (Quebec)
- Tonight's Moon
- trains
- Trains and Trolleys
- Wild Herps
- Woodpeckers
- Your Best Shot 2019