There are two great Harry Potter fan sites out there, the first of which is MuggleNet. Mugglenet hosts forums and news about the all the latest in the world of Harry Potter.
The second huge Harry Potter fan site is The Leaky Cauldron. Definitely worth checking out!
Any questions about what, exactly, a Blast-Ended Skrewt is? Or how Araminta Meliflua is connected to Phineas Nigellus? This site is the place to go: an encyclopedia with useful subject headings to guide your browsing.
Harry Potter Wikipedia, with entries on pretty much everything you can find in the books. Looking for a picture of Gregory the Smarmy? Try here.
The website for Harry Potter's UK publisher, which includes useful FAQs, info on Rowling, details on the myths that inspired some Harry Potter characters, and a fun trivia site which allows you to "Swot up on Potter."
A great site from the American publisher, including a Pronunciation Guide (for those of us who can't figure out how to say "Firenze" properly) and a Trivia Challenge.
Official Harry Potter LEGO sets. You can even buy a LEGO dementor! That’s totally crazy and cool.
This was the first of the Harry Potter films to be directed by David Yates, who has also helmed Half-Blood Prince and both halves of Deathly Hallows.
Basically the go-to source for all direct quotes from J.K. Rowling on Harry Potter’s world. It really doesn’t get much more comprehensive than this.
Oprah Winfrey interviews J.K. Rowling.
A funny little piece about Daniel Radcliffe’s first on-screen kiss in the film December Boys, right before he locked lips with Katie Leung (Cho Chang) in Order of the Phoenix.
Interview with Daniel Radcliffe about the experience of filming the fifth movie.
Interview with Helena Bonham Carter about her first appearance as Bellatrix Lestrange in Order of the Phoenix.
You can definitely see that the movies get darker along with the novels.
A still from the movie, with Daniel Radcliffe (Harry Potter), Rupert Grint (Ron Weasley), and Emma Watson (Hermione Granger) in the Forbidden Forest.
Imelda Staunton as Professor Umbridge, terrifying in pink.
Ralph Fiennes, not looking his best.
Check out all of those prophecies!
Dobby is much cuter.