Every year, millions of tourists visit one of Hertfordshire's most famous and popular attractions, Warner Bros. Studio Tour London - The Making of Harry Potter.

The magical attraction set in Leavesden first opened its door to the public in 2012 and has since welcomed up to 6,000 visitors a day during peak times.

The Harry Potter studios are not the only attraction inspired by the magical world as both Orlando in the USA and Osaka in Japan are home to their own Wizarding World of Harry Potter at Universal Studios.

But Hertfordshire's attraction is unlike others, celebrating the world of Harry Potter with displays of sets, customs, wands, potions and much more, Warner Bros Studio sees people from all corners of the world head to Leavesden.

With Warner Bros Studio welcoming so many tourists from around the world, there are bound to be some reviews that Brits might find especially funny.

Many Americans head to the attraction to share their thoughts about the Harry Potter studios, often positive, but some that are too funny not to be missed.

The funniest American tourist reviews of Harry Potter studios 

One American guest shared how they were not happy with the Director's comments in pre-recorded audio, sharing: "Let's start w/what WE DID NOT ENJOY. We purchased the audio which was informative and loaded w/info & commentary.

"The comment which "got me" as an American was the audio from, I believe, was the main Director of the Harry Potter films. He blatantly insulted Americans by describing us as "CHEERLEADERS"! It was discussed to maybe include some American actors in the films, like Hermione.

"The Director was vehemently opposed suggesting American actors would only spoil the films because our actors would act like "CHEERLEADERS"!

"My point is: why even include this type of insulting audio? We would have been none the wiser and the whole experience would have been as magical as it's intended to be."

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Another was not happy about the souvenir shop having prices in Pounds and not US Dollars: "Hogwarts, Harry Potter fan or just a movie buff who would like to experience an American movie studio in a foreign country...if you ever end up in the souvenir shop don't forget the prices are in Pounds, not Euro or US Dollars! Well, you came this far already, why not splurge a little or - NOT."

But, it's not just funny reviews aimed at Warner Bros Studio, as many American tourists are more than happy with their visit as one guest said: "If you are any kind of HP fan (especially the movies), you gotta go. Amazing in every way. Loved every minute of it. I didn't want to leave."

Another said: "Love, love, loved it!! We spent 5.5 hours reading all the information and seeing all the props and sets! We could have spent much longer if we had the time!!"