- A-10 Thunderbolt "Warthog"
- Abandoned on Route 66
- Aerial Firefighting
- Aeroplanes - Beechcraft
- Air National Guard and NG Aircraft
- Air/Space America 88
- Airbus A320 all Family
- Airbus A340
- Airbus planes
- Aircraft - Special paint jobs
- Airline: FedEx Express [FX/FDX]
- Airline: Kalitta Air [K4/CKS]
- Airlines: Special Liveries & Decals
- AIRPLANE'S WORLD
- Alaska Airlines
- Alaska Airlines - Horizon Air
- AMARG and surrounding Scrapyards
- Arches National Park
- Arizona Aviation
- Arizona Aviation Photographers (AzAP)
- Arizona Sonora Desert Museum
- Battleship Texas
- Baytown Nature Center
- Bell H-1 Iroquois "Huey" Helicopters and variants
- Biz Jets!
- Boats, Yachts And Ships (No 30/60 Groups Rule)
- Boeing 727
- Boeing 737 all series
- Boeing 747
- Boeing 747 - Queen of the Skies
- Boeing commercial and military airplanes
- Bryce Canyon National Park
- BryceCanyonNPS
- Cargo Ships
- Cars of the 1930's
- Cessna Aircraft
- Cessna T-50/AT-17/UC-78/JRC/Crane Bobcat
- Civilian Cargo Airliners
- clouds
- Commemorative Air Force
- Davis-Monthan Spotters
- Dry Docks/Ships/Tugboats
- Fairchild A-10
- Fairchild Aircraft Corporation.
- Farm Tractors - No 30/60 limit !
- Flying things
- General Dynamics / Lockheed-Martin F-16 Fighting Falcon / Viper
- Glacier National Park
- Glacier National Park, Montana
- GlobalSpotterAviation
- Grand Canyon
- Grand Canyon National Park
- Grand Teton National Park
- Grand Tetons
- Helicopters
- Houston Ship Channel
- in explore
- MARITIME FAVORITES (Post 1 - Try to Award 3)
- Merchant Ships
- Naval Aviation
- Naval ships, navy ships and warships
- Navy Ships
- Navy Ships of Days Gone By.
- Oliver Farm Equipment
- Pima Air & Space Museum
- Pima Air Museum 1987-88
- PLANE PICS
- Police Aviation
- Rotating wings!
- Route 66
- Route 66 in Arizona: Don't Forget Winona!
- Royal Netherlands Air Force (RNLAF)
- Saguaro National Park
- Saguaros in All Their Glory
- San Diego Zoo
- Ships and Vessels
- Ships Markings [Hull and Superstructure Names and Marks]
- Ships, Boats and Barges
- Southwest Airlines
- SPOTTER'S AIRPLANE'S WORLD
- Suspected FBI Surveillance Aircraft
- The 1940 Air Terminal Museum
- The Best Of Ships And Boats
- Tractors and Other Farm Equipment - - No 30/60 limit !
- Tractors ETC.
- Tucson Spotters
- Tucson, Arizona
- U.S. Coast Guard Images
- US Army Aviation
- US Federal Government Aviation
- US Marine Corps Aviation
- US Navy Aviation
- USCG: United States Coast Guard @ RyanErickson.com
- Workboats, Tugboats and Ships That Work
- YACHTS & CATATAMARANS (opt out 30/60)