User saopaulo1 

saopaulo1  posted 58768 waymarks in 995 different categories within 9 countries and 53 regions, of these were 1406 posted-first-in-region and also 566 posted-first-in-country.
Unfortunatly the user also has 2748 waymarks with a missing region in the database.

Here is a list of categories, that saopaulo1 currently has not posted in.

Category name
1866 Austro-Prussian War Memorials
Alabama Historical Markers
Alaska Historic Markers
Alberta Heritage Markers
American Revolution Patriot Graves
American Revolutionary War Veteran Graves
Ancient Traces and Roads
ANWB Paddenstoelen
Appalachian Trail
Atlantic Canada Heritage Properties
Australia Post Offices
Australia/NZ Benchmarks
Australian Heritage Sites
Australian Historical Markers
Australian Trig Points
Austrian and Swiss National Heritage Sites
Automobile Association Signs
Bartram Trail Historical Markers
Beach Huts
Belgium Benchmarks
Belgium Monument Registers
Bismarck Towers
Bobsleigh Chutes and Mountain Slides
Butterfield Overland Despatch Markers
Canal Tunnels
Carl Linnaeus and His Apostles
Charnel Chapels, Charnel Houses and Ossuaries
Chronograms
Colorado Historical Markers
Confluence Spots
Connecticut Historical Markers
Czech Geodetic Points
Daniel Boone Trail Markers
Danish Benchmarks
Dartmoor Granite
Deutsche Denkmallisten - German Monument Registers
Dixie Highway
Dovecotes
Dutch Benchmarks / RD meetpunten
English Heritage - Cadw - Historic Scotland
European Historic Survey Stones, Monuments and Benchmarks
European Post Offices
Florida Historical Markers
Frank Lloyd Wright Designed Buildings
French Benchmarks
Georgia Historical Markers
German Benchmarks
German Trigonometric Points
Gothic Architecture
GPS Tracklog Art
Greenwich Meridian Markers
Histoire du Quebec (Quebec Historical Markers)
Histoires de France (French historical markers)
Holy Wells
Ice Age Trail
Illinois Historical Markers
Impact Craters
In Search of the Celts
Indiana Historical Markers
Iowa Historical Markers
Iron Furnace Ruins
Italian Cultural Heritage
Kentucky Historical Markers
Korean Historic Sites
La Famille Bonaparte
Latvian Benchmarks
Lavoir (wash houses)
London Coal Tax Posts
Louisiana Historical Markers
Luftwaffe Radar Ruins
Maine Historical Markers
Manitoba Historical Markers
Maori Historic Sites
Massachusetts Historical Markers
Medieval Churches
Megalithic Monuments
Michigan Historical Markers
Millennium Trees
Missouri Historical Markers
Montana Historical Markers
Moon Trees
National Trust U.K.
Natural Sinkholes
Nature's Balanced Rocks
Nebraska Historical Markers
New Hampshire Historical Markers
New Jersey Historical Markers
New York Historical Markers
New Zealand Historic Places
Nordic Heritage
Norske postkontor (Norwegian Post Offices)
North Carolina Historical Markers
North Country Trail
North Dakota Historical Markers
Norway Historical Sites
Nuclear Power Plants
Ohio Historical Markers
Old World Originals
Ontario Heritage Properties
Património Português (Portuguese Heritage)
Pennsylvania Historical Markers
Portugal Geodetic Points
Portuguese Historical Markers
Remote Backcountry Shelters
Rhode Island Historical Markers
Rijksmonumenten - Dutch National Monuments
Rock-Hounding
Romanesque Architecture
Runestones Worldwide
Saskatchewan Historical Markers
Shot Towers
Ski Jumps
South Carolina Historical Markers
South Dakota Historical Markers
Southern African Trig Beacons
Spanish Heritage
Texas Historical Markers
The Great Florida Birding Trail
Town and Village Pounds
Toynbee Tiles
U.K. and Ireland Trigpoints
UK Post Offices
Utah Historical Markers
Vértices Geodésicos
Vermont Historical Markers
Victorian Post Boxes
Viquesney's Spirit of the Doughboy Statues
Walt Disney World Benchmarks
Water Mills
Way of St. James
West Virginia Historical Markers
Where's In A Name?
Whispering Giant Sculptures
Wisconsin Historical Markers
Wyoming Historical Markers