U-boat Archive preserves documents and photographs from the World War II submarine war and was still adding German patrol records in 2026. It is the kind of specialist historical site that becomes more useful every year it refuses to disappear.
Truman’s Special Collections and University Archives preserve local manuscripts, photographs, university records, directories, ephemera and other primary sources for Kirksville research.
The Central Pacific Railroad Photographic History Museum, online since 1999, preserves thousands of restored railroad photographs, stereoviews, maps, documents, timelines, and primary-source material about the first transcontinental railroad.
SSRichardMontgomery.com is a long-running private research site about the Liberty ship wreck in the Thames Estuary, combining government reports, photographs, ship records, maps, news clippings, and the author's strongly argued risk assessments.
CanadianSoldiers.com organizes official histories, bibliographies, unit information, campaign research, and military references into a specialist web library focused on Canada's 20th-century army.
Smuggled.com says it has been online since 1996 and still behaves like a giant personal server: reptiles, herpetology papers, books, photographs, media releases, indexes, and controversial first-person material all live under one sprawling hand-built domain.
The Hawaii Five-O Home Page has been online since 1994 and grew into a dense fan-built reference covering episode guides, music, cast research, newsletters, scripts, title sequences, trivia, ratings, conventions, and decades of accumulated show history.
John Thompson's Silkqin site has spent decades collecting guqin history, tablature, recordings, translations, performance notes, silk-string research, art, poetry, and reconstruction work around the ancient Chinese zither.
Richard Leonard's Rail Archive combines personal 1950s railroad photography with scans of historic railroad booklets, manuals, catalogs, and contributed images.
Urth.net preserved a long-running public mailing-list discussion of Gene Wolfe's fiction, leaving behind one of those dense plain-text archives that became more valuable as the years passed.
9-11 Research is a surviving early-web archive of photographs, reports, arguments, critiques, and disputed theories about the September 11 attacks—a useful artifact of how the independent Web handled one of the century's most contested events.
Barrie Schwortz launched Shroud.com in the 1990s to preserve photographs, papers, journals, conference material, and competing research about the Shroud of Turin, creating one of the Web's oldest subject-specific research archives.
Crop Circle Center has spent roughly two decades cataloging thousands of reported crop-circle formations by date, place, country, crop type, and image, creating a large archive regardless of what caused them.
World War 1 Naval Combat is a personal reference site focused on British and German surface warfare, with battle pages, ship losses, dispatches, pictures, maps, and a wonderfully candid warning not to trust its crude cartography too much.
Dave Plimmer's 2D53 documents North Wales main-line railways with photographs from 1975-1983, timetables, signalling material, headcodes and extracts from official railway documents.
Paul Hardy's personal site gathers decades of cartography papers, mapping work, traditional-music tunebooks and other specialist material that would otherwise be scattered across institutions and formats.
Kenny Young's UFO Research: Cincinnati! survives as an archive of 1990s and early-2000s regional UFO investigations, witness reports, 911 audio research, public-record work, skeptical counterarguments, and the unfinished paper trail of a researcher who died in 2005.
A Candy Rose became one of the Web's most extensive independent true-crime document archives, especially for the JonBenet Ramsey case, preserving timelines, transcripts, photos, court material, and links long before modern social platforms centralized the discussion.
Antonio de la Cova began LatinAmericanStudies.org in 1997 and turned it into a sprawling professor-maintained research portal containing tens of thousands of links, documents, interviews, photographs, and primary-source material.
Brookline Connection has documented one Pittsburgh neighborhood since 1998 with maps, photographs, transit history, municipal records, schools, churches, and local memory.