User BruceS 

BruceS  posted 18762 waymarks in 998 different categories within 6 countries and 65 regions, of these were 1761 posted-first-in-region and also 119 posted-first-in-country.
Unfortunatly the user also has 24 waymarks with a missing region in the database.

Here is a list of categories, that BruceS currently has not posted in.

Category name
1866 Austro-Prussian War  Memorials 1866 Austro-Prussian War Memorials
Advertising Columns Advertising Columns
Alpaca and Llama Farms Alpaca and Llama Farms
Amateur Baseball Fields Amateur Baseball Fields
AMVETS AMVETS
Antique and Classic Car Dealerships Antique and Classic Car Dealerships
ANWB Paddenstoelen ANWB Paddenstoelen
Artificial Climbing Walls Artificial Climbing Walls
Artistic Bus Shelters Artistic Bus Shelters
Assembly of God Churches Assembly of God Churches
Atlantic Canada Heritage Properties Atlantic Canada Heritage Properties
Australian Heritage Sites Australian Heritage Sites
Austrian and Swiss National Heritage Sites Austrian and Swiss National Heritage Sites
Auto Clubs Auto Clubs
Automobile Salvage Yards Automobile Salvage Yards
Aviaries Aviaries
Bat Boxes Bat Boxes
Battery Powered Personal Transport Rentals Battery Powered Personal Transport Rentals
Belgium Benchmarks Belgium Benchmarks
Belgium Monument Registers Belgium Monument Registers
Bicycle Repair Stations Bicycle Repair Stations
Bismarck Towers Bismarck Towers
Bobsleigh Chutes and Mountain Slides Bobsleigh Chutes and Mountain Slides
Buffet Restaurants Buffet Restaurants
Cable Skiing and Wakeboarding Cable Skiing and Wakeboarding
Caritas Internationalis Caritas Internationalis
Cemetery Chapels Cemetery Chapels
Charnel Chapels, Charnel Houses and Ossuaries Charnel Chapels, Charnel Houses and Ossuaries
Chronograms Chronograms
City Names in Giant Letters City Names in Giant Letters
Continental Reformed and Congregational Church Sites Continental Reformed and Congregational Church Sites
Coordinate Palindromes Coordinate Palindromes
Counting and Measuring Displays Counting and Measuring Displays
Czech Geodetic Points Czech Geodetic Points
Danish Benchmarks Danish Benchmarks
Daughters of the American Revolution Daughters of the American Revolution
Defunct Amusement Parks Defunct Amusement Parks
Deutsche Denkmallisten - German Monument Registers Deutsche Denkmallisten - German Monument Registers
Diners, Drive-ins, and Dives Diners, Drive-ins, and Dives
Disneyland/DCA Benchmarks Disneyland/DCA Benchmarks
Diving Platforms Diving Platforms
Dovecotes Dovecotes
Doves of peace Doves of peace
Drawing Waymarks Drawing Waymarks
Dutch Benchmarks / RD meetpunten Dutch Benchmarks / RD meetpunten
E85 Fuel Pumps E85 Fuel Pumps
Electric Bike Charging Stations Electric Bike Charging Stations
Elevated Buildings Elevated Buildings
Engrish Signs Engrish Signs
Entertainment Awards Entertainment Awards
European Post Offices European Post Offices
Feeding the Animals Feeding the Animals
Flags of the World Flags of the World
Fraternal Order of Eagles Fraternal Order of Eagles
French Benchmarks French Benchmarks
Funerary Art Funerary Art
German Benchmarks German Benchmarks
German Trigonometric Points German Trigonometric Points
Giant 24 h Vending Machines Giant 24 h Vending Machines
GPS Tracklog Art GPS Tracklog Art
Graves Mentioning a Cause of Death Graves Mentioning a Cause of Death
Ground Based Air Navigation Support Structures Ground Based Air Navigation Support Structures
Hawaiian Historical Markers Hawaiian Historical Markers
Histoires de France (French historical markers) Histoires de France (French historical markers)
Historic Transformer Sub-Stations Buildings Historic Transformer Sub-Stations Buildings
Hot Air Balloon Festivals Hot Air Balloon Festivals
Hourglass Hourglass
Household Appliances and Presses Household Appliances and Presses
Humming Stones Humming Stones
Insect Hotels Insect Hotels
Italian Cultural Heritage Italian Cultural Heritage
It's All About Tintin It's All About Tintin
Japanese Restaurants Japanese Restaurants
Kissmobile and Co. Sightings Kissmobile and Co. Sightings
Korean Historic Sites Korean Historic Sites
Laser Tag Facilities Laser Tag Facilities
Latin American Benchmarks Latin American Benchmarks
Latvian Benchmarks Latvian Benchmarks
Legacy of Medieval Spiritual Warriors Legacy of Medieval Spiritual Warriors
Little Free Pantry Little Free Pantry
Luftwaffe Radar Ruins Luftwaffe Radar Ruins
Lychgates and Depositories Lychgates and Depositories
Man-made Animal Bridges and Crossings Man-made Animal Bridges and Crossings
Manitoba Historical Markers Manitoba Historical Markers
Marinas Marinas
Monuments Historiques Français Monuments Historiques Français
New Apostolic Churches New Apostolic Churches
Nordic Heritage Nordic Heritage
Norske postkontor (Norwegian Post Offices) Norske postkontor (Norwegian Post Offices)
Norway Historical Sites Norway Historical Sites
Outdoor Interactive Science Displays Outdoor Interactive Science Displays
Paintball Outdoor and Indoor Fields Paintball Outdoor and Indoor Fields
Pancake and crepe restaurants Pancake and crepe restaurants
Panera Bread Restaurants Panera Bread Restaurants
Património Português (Portuguese Heritage) Património Português (Portuguese Heritage)
Payphones Payphones
Pergolas Pergolas
Pikachu Sightings Pikachu Sightings
Pizza Shops - Regional Chains Pizza Shops - Regional Chains
Portugal Geodetic Points Portugal Geodetic Points
Portuguese Historical Markers Portuguese Historical Markers
Portuguese Inventory of Architectural Patrimony Portuguese Inventory of Architectural Patrimony
Puzzles in the Real World Puzzles in the Real World
Radio and Television Transmitter Towers Radio and Television Transmitter Towers
Red Cross and Red Crescent Movement Red Cross and Red Crescent Movement
Religious Buildings Multifarious Religious Buildings Multifarious
Rijksmonumenten - Dutch National Monuments Rijksmonumenten - Dutch National Monuments
Romanesque Architecture Romanesque Architecture
Signs of Zodiac Signs of Zodiac
Sonic Drive In Restaurants Sonic Drive In Restaurants
Southern African Trig Beacons Southern African Trig Beacons
Spanish Heritage Spanish Heritage
Star Trek Star Trek
State Park Passport Locations State Park Passport Locations
Stolpersteine Stolpersteine
Taco Bell Restaurants Taco Bell Restaurants
Timelines Timelines
Trophies, Medals and Cups Trophies, Medals and Cups
UK Post Offices UK Post Offices
UNESCO Geoparks and Biosphere Reserves UNESCO Geoparks and Biosphere Reserves
Unique Artistic Door Handles and Knockers Unique Artistic Door Handles and Knockers
Unique Artistic Shop Signs Unique Artistic Shop Signs
Unoccupied Buildings, Shacks, and Cabins Unoccupied Buildings, Shacks, and Cabins
Vértices Geodésicos Vértices Geodésicos
Vegetarian Eateries Vegetarian Eateries
Walt Disney World Benchmarks Walt Disney World Benchmarks
Watercraft Rentals (Human Powered) Watercraft Rentals (Human Powered)
Watershed Markers and Monuments Watershed Markers and Monuments
Way of St. James Way of St. James
Wayside shrines Wayside shrines
Wooden Church Artefacts Wooden Church Artefacts
World War I Sites World War I Sites