No Follow "No Follow is a browser 「game」 about a bunch of web designers from the internet of yore combating corporate web nonsense and bullshit."
Neopets, one of the oldest cute-animal-dress-up-games-collecting browser games (now Scientology-Free).
Dragon Cave is... a cave of collectable dragons that need attention or they'll die.
Gaia Online is pixel dollies and dress up, forums, and games.
Flight Rising is a dragon game that's similar to neopets, but has a breeding component.
Jamesland, a collection of puzzles and games.
General Sites
Stumbling On, inspired by Stumble Upon. Displays random, hopefully fun or interesting, websites.
Floor796, a sprawling piece of art capturing life on one floor of a space station. Scroll around and look for easter eggs.
Inspirobot, an "AI" that generates motivational/inspirational text and images. (it is not actually ai)
Bored Button, random collections of interactive websites.
17776 Football a far-future exploration of life and sports.
The Useless Web, some websites that don't have any actual use other than odd entertainment.
Cloud Hiker randomly serves up interesting, esoteric websites.Archive of Our Own, or AO3, is the largest fanfiction archive. Fan funded and fan run.
Mental Floss, an old-time infotainment timewaster of a site, is still going strong.
Atlas Obscura is a love letter to weird places (and food), an encouragement to get out and explore.
The Art of Jacob Rozalski is great and you've probably seen it - the little girl pointing out the cowering soldier as the monster looms? That's him.
Pixel Dolls, a shrine to pixel dolls with some games/makers and some ready-made dolls.
Webrings & RSS Feeds
The Old Net is a webring of random web pages.
Webring List, a list of over 500 webrings
The Geekring, includes widget.
The Wayward Webring, a webring for sites with curated lists and webrings.
Transing the Internet,TTI is a webring for webmasters who are transgender, nonbinary, or basically anything but cis.
web/comic/ring, a webring for webcomics.
The BIG list of Neocities RSS feeds, a directory of creators and websites hosted on Neocities that provide an RSS or Atom feed for content updates.
Search Engines
The Wayback Machine, a searchable archive of old websites.
The WWW Virtual Library was "started by Tim Berners-Lee, the creator of HTML and of the Web itself, in 1991 at CERN in Geneva." It's less of a search engine and more of a catalog.
Elephind is a catalog of historic newspapers.
GifCities, a gif search engine powered by The Internet Archive.
Old'aVista, a play on the name of the old search enginge AltaVista, searches old personal web sites scraped from The Internet Archive.
Search My Site, which searches user-submitted personal websites.
VHSearch searches neocities websites.
Board Reader searches message boards and forums.Open Verse is a Creative Commons search engine that looks for copyright-free content.
NASA Images, a searchable database of NASA photographs.
Special Interests
Femur Design has a lot of information, much of it interactive, about music.