Mexicolore's Aztec pages grew from decades of school workshops into a large independent educational reference on the Mexica, Nahuatl language, archaeology, artefacts, daily life, religion, and the Spanish invasion.
RomanMilitary.net has organized Roman army history since the late 1990s around weapons, armor, siege engines, forts, formations, tactics, soldier life, historical figures, quizzes, essay questions, and teacher resources.
The University of Illinois concrete module grew out of a 1993–95 materials-technology workshop and still preserves lessons, quizzes, laboratory activities, scientific principles, historical timelines, equipment grids, and classroom exercises for teaching materials science through concrete.
Lifeprint's ASL handshape pages go beyond alphabet charts by documenting orientation, natural variation, classifiers, conversational fingerspelling, regional differences, and the ways real signing changes letter forms in motion.
MythNET began as a 1997 Ontario student classics project and still preserves pages on Olympian gods, major heroes, genealogical charts, myths, folklore, Roman life, and Latin vocabulary inside the larger Classics Unveiled site.
Sheep 101 is a specialist-built educational site covering breeds, behavior, products, predators, grazing, wool, lambing, history, and the practical basics of raising sheep.
Franco Maria Boschetto's Italian educational website has grown since 2001 into a multi-gigabyte collection spanning physics, literature, religion, alternate history, student work, science, travel, model building, and personal writing.
KryssTal's chemistry pages form a hand-built introduction to elements, reactions, bonding, organic chemistry, acids, bases, salts, and the stellar origin of matter.
The University of Maryland's Solar System Collisions tool, online since the late 1990s, lets students vary impactor size, speed, composition, and target while studying crater size, energy, earthquakes, and impact frequency.
Game Zero's Math Behind the Magic processor-design tutorial walks through half adders, incrementers, registers, buffers, RAM, ROM, buses, and an accumulator while assembling a tiny 4-bit CPU.
Michigan State University's GEO 333 site turns a regional geography course into a dense web reference covering geology, glacial history, cities, boundaries, land use, settlement, maps, quizzes, and Great Lakes geography.
Georgia State University's HyperPhysics grew from HyperCard teaching material into a web-based concept map in 1998, linking thousands of compact physics explanations, diagrams, calculations, and subject pathways.
Tom Rogers' Insultingly Stupid Movie Physics turned explosions, impossible jumps, bad spaceflight, and Hollywood science into a long-running physics lesson disguised as a public complaint department.
Carmen Giunta's Classic Chemistry site has been putting foundational chemistry papers, historical calculations, obsolete terminology, anniversaries, and source-based teaching material online since the 1990s.
IvyJoy's search resources for children became a long-lived directory of kid-oriented search engines, filtered guides, specialized tools, and research links repeatedly recommended by schools and teachers.
Ceramic Studies is a hand-built collection of illustrated pottery-history tutorials by Victor Bryant, combining archaeology, materials, art history, and practical notes for potters.
An old FreeServers directory of Southeast Asia maps and slideshow images became the kind of quietly useful web resource that kept getting reused and cited long after its original homepage faded.
Brian Lemay's Animated Cartoon Factory is a surviving specialist teaching site for animation layout, storyboarding, cartooning, character sculpting, and downloadable learning material.
Odyssey Online's Rome section, built by museum partners and last updated in 2004, preserves an early educational-Web approach built around objects, themes, maps, and patient explanation.