Many tourist attractions promise great experiences, but the reality doesn't always quite live up to the expectations. A new analysis of nearly 100,000 reviews of 200 landmarks and attractions around the world has revealed where visitors are the least impressed. From theme parks to aquariums, a range of places make up the top ten most disappointing tourist destinations. The research involved slimming down a list of 5,832 attractions pulled from 50 of the most-visited countries in the Top 100 City Destinations report by Euromonitor and the Global Cities Index by Mastercard. Places with fewer than 2,000 were not considered, as well as spots in countries currently dealing with conflict such as Ukraine, Russia and Israel. Experts then identified 90 key words to help analyse the reviews and compare negative to positive review rates. Alton Towers, in Staffordshire, has been named the world's 'most disappointing' tourist attraction1. Alton Towers, UKStaffordshire-based Alton Towers came out as the world's 'most disappointing' in Radical Storage's study, for the second year in a row, according to Euronews. The research claims 38.2 per cent of the theme park's reviews were negative.Value for money was a major complaint, with 15 per cent of reviews mentioning this as an issue - the highest in the report, compared to 1.3 per cent average. Crowding, customer service, add-ons, allegedly misleading ticket information as well as expensive food and drink were some of the other issues highlighted. Alton Towers manages to attract millions of visitors a year, and is the biggest theme park in the UK.The results of the study are an improvement, however, as last year's report showed 49.4 per cent of reviews were negative. 2. Georgia Aquarium, Atlanta, USA Georgia Aquarium in Atlanta, USA, ranks as the second 'most disappointing' tourist attractionWhen Georgia Aquarium opened in 2005 it was the biggest in the world, but now as the sixth largest, it has been dubbed the second 'most disappointing' attraction. The aquarium is home to more than 500 species and thousands of animals.However, not every visitor is impressed and the research found 19.6 per cent of reviews feature negative words. Some 6.2 per cent hit out at the value for money and 10 per cent felt it was crowded or had issues with access.3. Horseshoe Casino, Louisiana, USA Horseshoe Casino, in Louisiana, USA places thirdLocated in Bossier City, Louisiana, Horseshoe Casino ranks as the third 'most disappointing' tourist attraction. It hosts weekly poker tournaments, dining experiences and promises its guests 'top-notch entertainment'.However, 18.6 per cent of its reviews are negative and 16.6 per cent of these mention words including 'broken down', 'needs restoration' and 'boring'.4. Széchenyi Baths and Pool, Budapest, Hungary Széchenyi Baths and Pool ranks as the fourth, and can be found in Hungary's capital The largest medicinal bath in Europe, Széchenyi Baths and Pool can be found in Budapest, Hungary. But the attraction ranks as the fourth 'most disappointing' with 16.6 per cent of reviews mentioning a negative experience.Some 7.2 per cent of all of the reviews contained complaints about crowding and accessibility - well above the 2.1 per cent average. 5. Ripley’s Aquarium of Canada, Toronto Ripley’s Aquarium of Canada, in Toronto, places fifth overallHome to a range of intriguing underwater species, from purple sea urchins to a giant Pacific octopus, Ripley's Aquarium of Canada is located in Toronto.It aims to display 'Canada's treasure trove of underwater habitats', but ranks fifth overall. Out of the attractions reviews, 16 per cent were negative. Some 9.6 per cent highlighted issues with overcrowding and five per cent felt it wasn't good value for money. 6. Universal Islands of Adventure, Orlando, USA Universal Islands of Adventure, in Orlando, ranks sixth 15.6 per cent of its reviews containing negative experiencesUniversal Islands of Adventure is located in Universal Orlando Resort and hopes to promote 'uncharted imagination' to its guests. There are a range of themed rides featuring favourites like Harry Potter and Marvel. But, the research found 15.6 per cent of the reviews left by visitors contained negative experiences. 7. Siam Park, Tenerife, Spain Siam Park, in Tenerife, may be the best water park in the world, but it ranks as the seventh 'most disappointing' tourist attraction in the researchDespite being named the number one water park in the world for ten years in a row, Siam Park in Tenerife ranks seventh on the disappointing tourist attraction list. According to the report, 13.4 per cent of reviews were negative. This is despite its one-kilometre Mai Thai River that runs through the park, and the white sandy Siam Beach.8. Space Needle, Seattle, USA The Space Needle, in Seattle, places eighth in the reportThe Space Needle was built in Seattle back in 1962 for the World's Fair, which had 'The Age of Space' theme.It stands 605ft tall and has a saucer-shaped observation deck at the top, where visitors can take in 360-degree views.But, 12.6 per cent of reviews contained negative experiences, putting the attraction at eighth place.9. Graceland, Memphis, USAOn par with the Space Needle is Graceland, in Memphis, Tennessee. Once owned by Elvis Presley, the mansion sits on a 13.8-acre estate where the iconic musician is buried alongside his parents. Like Space Needle, Graceland's reviews are 12.6 per cent negative too. 10. Fushimi Inari-taisha Shrine, Kyoto, Japan Fushimi Inari-taisha Shrine, in Kyoto, Japan, rounds off the top 10 'most disappointing' tourist attractionsSitting at the base of a mountain is Fushimi Inari-taisha Shrine in Kyoto, Japan. The site rounds off the top 10 'most disappointing' tourist attractions and 12 per cent of its reviews are negative.