In most scenes, Harry Potter’s glasses don't actually have lenses in them pic.twitter.com/kegTRXyMZH

— Harry Potter Facts & News (@Muggle_Facts) May 17, 2021

In 'Harry Potter and the Deathly Hollows Pt. 2' Lucius Malfoy's Azkaban prisoner number can briefly be seen on his neck pic.twitter.com/kUfKKrlVEC

— Harry Potter Facts (@Muggle_Facts) March 24, 2021

Dumbledore in 1927 vs 1938 pic.twitter.com/pcTenh7qab

— Harry Potter Facts (@Muggle_Facts) March 3, 2021

Warwick Davis and his various roles in Harry Potter

via u/200020124 pic.twitter.com/8XEJjc2xZf

— Harry Potter Facts (@Muggle_Facts) February 17, 2021

Ginny Weasley, the seventh born and only girl of the children, was the first female Weasley born in seven generations pic.twitter.com/VfVCOL5i0h

— Harry Potter Facts (@Muggle_Facts) February 17, 2021

Voldemort's wand was made to resemble a human bone pic.twitter.com/FauQceml0o

— Harry Potter Facts (@Muggle_Facts) February 15, 2021

In the books, Voldemort has red eyes, but the film producers thought that it would make him less human, and therefore less fearful pic.twitter.com/i5sotQOzSC

— Harry Potter Facts (@Muggle_Facts) February 8, 2021

If a muggle were to stumble onto Hogwarts, they would not see it. All they see is a ruined building with a sign that says 'danger do not enter, unsafe' pic.twitter.com/1aKD61TEey

— Harry Potter Facts (@Muggle_Facts) September 10, 2020

It took Daniel Radcliffe over 90 takes to film the scene with the seven Harrys pic.twitter.com/qcma5pJfNC

— Harry Potter Facts (@Muggle_Facts) July 27, 2020

Over the course of the Harry Potter movies, 6 actors have played Voldemort, one being voice only. pic.twitter.com/KqItOYonoV

— Harry Potter Facts (@Muggle_Facts) July 18, 2020