The GHZ Sonic the Hedgehog Museum catalogs Sonic games by release year and platform, preserving obscure arcade, Pico, Game Gear, N-Gage, Saturn, Dreamcast, and mobile entries alongside the famous console releases.
HDTV Primer compared consumer television antennas using NEC-based computer models, publishing raw-gain and net-gain graphs across VHF and UHF instead of repeating manufacturer claims.
W8JI.com is a dense amateur-radio engineering archive covering antennas, amplifiers, baluns, tubes, transmission lines, common-mode current, receiver problems, RF measurements, grounding, noise, and the myths that grow around all of them.
NiagaraFrontier.com preserves a detailed chronology of the 1969 dewatering of the American Falls, when engineers diverted the river, built a cofferdam, studied the rock face, recovered debris and bodies, and let visitors walk onto the exposed riverbed.
David Manthey's Orbital Viewer freeware rendered atomic and molecular orbitals with point plots, polygon surfaces, ray tracing, stereo views, cutaways, animation, and VRML output on Windows systems from the 1990s and early 2000s.
JProc's TEMPEST page gathers declassified history around compromising emanations, including wartime teletype leakage, Cold War countermeasures, monitor eavesdropping, and the security problem created when electronics radiate information they were never meant to transmit.
The Cadaeic Pilish page explains a constrained-writing system where successive word lengths encode the digits of pi, including rules for zeros, long words, punctuation, and extended compositions that hide mathematics inside readable prose.
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.
Brisray's optical-illusion archive, begun in 1999, organizes perception tricks, impossible figures, inversion illusions, animated effects, faces, artist collections, and explanatory material about how vision and the brain interpret ambiguous images.
The National Police Car Archives has spent more than two decades collecting photographs of American law-enforcement vehicles agency by agency, building a strange and useful visual record of public-service design.
The Fell Pony Museum at Dalemain uses a hand-built timeline to document the Lake District breed through Roman Britain, farming, transport, breeding records, and the modern survival of free-roaming herds.
NASA Goddard's StarChild site has taught astronomy to children since 1996 using two reading levels, activities, glossaries, graphics, and the wonderfully direct structure of an early educational website.
Sheep 101 is a specialist-built educational site covering breeds, behavior, products, predators, grazing, wool, lambing, history, and the practical basics of raising sheep.
The original TuxKart page preserves Steve and Oliver Baker's early open-source kart racer, a small Linux game from 2000 whose code and ideas later became the foundation of SuperTuxKart.
The Kalpen Stunts site preserves downloads, tools, tracks, and fan knowledge around Stunts/4D Sports Driving, the 1990 DOS racer whose track editor helped create a community that refused to disappear.
UC Berkeley's Museum of Paleontology lichen pages are a compact early-web biology lesson on the fungal-algal partnerships that make lichens, with links outward to morphology, ecology, collections, and specialist resources.
Hyperhero.com is a surviving personal-web comedy universe whose fictional superhero claims responsibility for saving Apollo 13, defeating Y2K, inventing the wheel, and generally carrying civilization.
TextileAsArt is a sprawling antique-textile catalog whose hand-built indexes connect Chinese silks, Coptic fragments, Persian textiles, shawls, embroidery, costumes, rugs, and preservation information.