The Krib began in January 1994 as an aquarium web project and grew into a deep archive of planted-tank knowledge, dwarf cichlids, chemistry, hardware, photographs, e-mail discussions, and Usenet posts dating back to the early 1990s.
Look Out Now!'s pipe anatomy page uses a homemade 3D cutaway to explain chambers, shanks, airholes, stems, briar grain and the small construction details that separate a generic diagram from somebody's actual hobby knowledge.
Nick Turner's Model Tanks site documents military-model builds stretching from the 1960s to the present, including restorations, scale debates, old Airfix kits and hundreds of oversized reference photographs.
The archived Thrower website preserves one of the Web's earliest communities devoted to sport knife throwing, complete with mailing-list culture, club history and late-1990s links.
Krazer Lasers preserves a hobbyist's deep archive of surplus lasers, Tesla coils, rocketry and electronics projects with the kind of specific photographic documentation that usually disappears first.