![](https://img.geocaching.com/waymarking/groupavatars/avatar/06749504-8dcf-4d2f-afee-0d76826f1007.jpg) | Orientation Tables Group Description: To locate orientation tables around the world. Date Created: 03/08/2008 Category Managed: Orientation Tables Members: 24
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/b7b3aefa-4d32-4fce-b071-6c498639051e.png) | Orienteers Description: To waymark permanent orienteering courses around the world. Date Created: 11/17/2008 Category Managed: Permanent Orienteering Courses Members: 19
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/2cb8fd90-4aa6-42cb-a78d-d59a7bf12f80.jpg) | Ornithologists Description: Managing the listings for Aviaries of the World. It takes a lot of people to keep this place clean, especially for these that are bigger than a birdhouse! Date Created: 07/04/2009 Category Managed: Aviaries Members: 7
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/22e86373-f24d-42ac-bb86-9000d2edd7a2.jpg) | Orphaned Bridges Description: Manage the category of Orphaned Bridges. Date Created: 11/13/2006 Category Managed: Orphaned Bridges Members: 13
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/a7364e5c-75ce-4376-bc52-2ba8c15eb89c.jpg) | Orthodox Churches Description: This is to document the distinctly beautiful Orthodox Churches around the world. Their most recognizable feature is the dome or domes of the church. Date Created: 11/17/2007 Category Managed: Orthodox Churches Members: 23
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/e4cd7867-4b59-4216-8cdf-aa10928e1c7a.jpg) | O-S-C-A-R Description: To track one of our favorite childhood memories as it tours around the country promoting the consumption of Hot Dogs!!!! THE WIENERMOBILE!!! Date Created: 03/02/2011 Category Managed: Wienermobile Sightings Members: 6
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/faa039ce-bb8a-45f4-8433-bc22ae165d24.png) | Oscar winners Description: This group is a fun group, searching for monuments, buildings, streets, pieces of art etc which bear the names of Oscar winning movies. Date Created: 01/30/2022 Category Managed: None Members: 2
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/96097b8b-251f-42be-8531-b279593be525.jpg) | Ostfriesland's Historic Landmarks Description: This group is for managing historic places in Ostfiesland in northern Germany (Lower Saxony). These places can range from old buildings, to castles, to historic sites, markers and churches. There are many places in Ostfriesland that have a history of over... Date Created: 09/09/2011 Category Managed: None Members: 4
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/26729a01-faaa-4d1d-8137-0f91720ae37c.jpg) | Other Ontario Monuments & Plaques Description: The intention of this group is to promote and administrate the "Other Ontario Monuments & Plaques" Category.
This group is to be the location for those monuments and plaques that do not fit into specific categories already defined in... Date Created: 04/26/2009 Category Managed: None Members: 2
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![](/images/groups/logos/notselected.gif) | Oud-Katholiek Description: een groep om de Oud-Katholieke waypoints in nederland vast te leggen en te delen!
A group to be able to register and share Old-Catholic waypoints on this website! Date Created: 01/14/2008 Category Managed: None Members: 3
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/45a99ae2-a886-441d-a48c-ddc6abd94913.jpg) | Out In The Rain Description: Outdoor Altars are permanent structures made of wood, metal or stone that are positioned outdoors for the purpose of worship outdoors. These are unique creations in religions where worship is traditionally performed indoors as much as possible. Despite having... Date Created: 10/02/2008 Category Managed: Outdoor Altars Members: 21
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/510875da-37d8-4aa1-831b-fc6118a3e1ad.jpg) | Out of Place Graves Description: The Purpose of the Out of Place Graves group is to document through Waymarking those unusual, seldom seen, forgotten or little known places of Rest Eternal. This group will serve to monitor submissions to The Out of Place Graves category at Waymarking.com.... Date Created: 05/30/2006 Category Managed: Out of Place Graves Members: 44
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/c33e345e-25df-4b65-a796-e15c1d6b6df4.jpg) | Out of the cage Description: Pet Stores are retail business locations where pets and/or pet supplies are sold. Date Created: 10/27/2008 Category Managed: Pet Stores Members: 18
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![](/images/groups/logos/notselected.gif) | Out to Lunch (and dinner) Description: This group is setup to manage a category called Kids eat Free". This category will detail locations, times, and days where someone can take their kids and get a free meal. Date Created: 05/18/2007 Category Managed: None Members: 2
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![](/images/groups/logos/notselected.gif) | Outdoor Recreation Stores Description: Category to locate any and all retail stores that cater to the outdoor enthusiast. Examples are stores like REI, Sports Authority, Cabelas, Black Diamond.
Also welcomed here are out door rental stores and or back country guides.
Excluded... Date Created: 02/16/2007 Category Managed: Outdoor Recreation Stores Members: 13
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/fd222d5f-fd1b-4bec-a22e-6efd1efaa180.jpg) | Outdoor Stations of the Cross Description: To review and manage Outdoor Stations of the Cross. Date Created: 07/20/2007 Category Managed: Outdoor Stations of the Cross Members: 10
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/1453b639-c73e-4633-b102-eedad90f3abc.jpg) | Outdoor Wind Harps Group Description: We seek to identify large outdoor wind harps. These must be large sculptures that use wind to create sounds. If you would like to join our group, please do. Date Created: 05/30/2006 Category Managed: Outdoor Wind Harps Members: 17
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/ae6aaa47-9c46-4d16-840f-6691b2b5d3e1.jpg) | Outhouses Description: This category will only accept old-fashioned outhouses, privies or backhouses. All submissions must be without plumbing, outdoors and interior photograph is required. Date Created: 09/03/2007 Category Managed: Outhouses Members: 6
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/a201a27d-e66a-4d9e-8d27-50c88ba5f47e.jpg) | Outleteers Description: To locate factory outlets and outlet centers Date Created: 09/04/2008 Category Managed: None Members: 6
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/82b2356c-1c7e-4e04-a60a-059b04dd1b0c.jpg) | Oven & Kiln Managers Description: Mission: Locate, Waymark, and Document various kilns and ovens: Brick, coke, pottery, ect. Once the backbone of many communities, many are left to crumble. Commerical / Industrial sites only - no appliances. Date Created: 03/30/2006 Category Managed: Ovens and Kilns Members: 11
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/f073718b-c34b-4b6e-96f1-fb650738911f.jpg) | Over Lookers Description: Finding scenic overlooks around the world. Date Created: 04/03/2006 Category Managed: Scenic Overlooks Members: 26
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/214d5438-ff8c-4294-83bf-f4ee14cf998b.jpg) | Over Our Heads Description: A group to promote the waymarking of structures that cross over a road, highway or interstate, watercourse or pedestrian trail. This does not include signs, overpasses, powerlines, rail or monorail lines, or common crosswalks, but does include those that might... Date Created: 06/17/2021 Category Managed: Structures That Span A Thoroughfare Members: 9
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/45a3089f-6129-4748-b1d9-6d4c84b93a48.jpg) | Owners of Lost Travel Bugs Description: We will oversee a virtual place for lost, missing, stolen, or otherwise "gone" travel bugs.
This will provide a place for owners to celebrate their creations, remember the places the travel bugs visited, and allow them to deposit the bugs... Date Created: 04/02/2007 Category Managed: Travel Bugs Members: 11
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![](https://img.geocaching.com/waymarking/groupavatars/avatar/bb07914d-d0d9-4a2a-96bb-b5813d200082.jpg) | Pacific Coast Trail Description: To locate all trailheads, interesting locations, and highlight of the Pacific Coast Trail. PCT Starts at the Mexico/U.S. Border and goes through three states (California, Oregon, and Washington) before ending up at the Canada/U.S. Border. Date Created: 03/15/2012 Category Managed: Pacific Crest Trail Members: 9
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![](/images/groups/logos/notselected.gif) | Pacific Crest Trail Description: People who have, hiked some, or all of the Pacific Crest Trail. Only those interested in This subject need apply. Date Created: 05/17/2006 Category Managed: None Members: 8
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