Search notes:

%SystemRoot%\Fonts

The Known Folder (?) GUID for the Fonts folder is {FD228CB7-AE11-4AE3-864C-16F3910AB8FE}.

Opening the fonts folder in the console

In a Windows console (cmd.exe, PowerShell), the fonts folder can be opened by calling the (undocumented) Windows function SHHelpShortcuts_RunDLL (defined in shell32.dll) with rundll32.exe:
C:\> rundll32 shell32.dll,SHHelpShortcuts_RunDLL FontsFolder

See also

The .NET enumeration System.Environment+SpecialFolder.
%SystemRoot%
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Fonts
%windir%\Panther

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