Region
- Adélie Coast (Antarctica) 1 results
- Africa 3 results
- Africa, North 1 results
- Africa, Southern 1 results
- Africa, Sub-Saharan 1 results
- Africa, West 4 results
- Ahuriri Estuary (Napier, N.Z.) 2 results
- Akaroa 1 results
- Alabama 1 results
- Alaska 12 results
- Alberta 4 results
- Alexandra 1 results
- Algeria 1 results
- Alta River Valley 1 results
- Alteelva (Norway) 1 results
- Amazon River Region 4 results
- Amazon River Valley 1 results
- America 2 results
- Amherst 1 results
- Andes Region 1 results
- Aniwhenua 2 results
- Antarctic Ocean 3 results
- Antarctica 70 results
- Appalachian Region 1 results
- Aral Sea (Uzbekistan and Kazakstan) 1 results
- Aramoana 4 results
- Arctic National Wildlife Refuge 1 results
- Arctic regions 13 results
- Argentina 1 results
- Arkansas River 1 results
- Arthur's Pass National Park 4 results
- Arthur's Pass National Park (N.Z.) 2 results
- Ashburton District 4 results
- Ashley River/Rakahuri 1 results
- Ashley River/Rakahuri (N.Z.) 1 results
- Asia 27 results
- Auckland 33 results
- Auckland (Region) 19 results
- Auckland International Airport (N.Z.) 1 results
- Augusta 1 results
- Australasia 1 results
- Australia 72 results
- Australia, Northern 1 results
- Austria 1 results
- Avon River/Ōtakaro 2 results
- Avon River/Ōtakaro (N.Z.) 3 results
- Ban Phatthaya 1 results
- Bangkok 1 results
- Bangkok (Thailand) 1 results
- Bangladesh 3 results more…