Among natural features, Niagra Falls has received the most reviews overall on Google Maps, with almost 89,000 people rating it, resulting in an average score of 4.8. It is followed by Iguazu Falls, with an impressive score of 4.9 from nearly 56,000 ratings.

Google says that it hopes people use ratings to make “informed decisions about what to do and where to go.” According to that logic, think twice about taking your business to Canada’s Nelson River (3.7) or the Niger River (3.8), which runs through a number of countries in Africa. There are higher-rated rivers out there.

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