By now, you’ve heard about Pokémon Go, the long-promised "augmented-reality game" that instantly became one of the biggest mobile games of all time and a pop culture phenomenon. It’s only been available in the United States for a week, and its audience is currently estimated to be the same size as Twitter – which was launched 10 years ago.

According to SimilarWeb, the average time per day spent on Pokémon Go is a whopping 43 minutes. But as people roam the landscape on the prowl for Pikachu and other Pokemon, there’s been quite a few stories about odd Pokestop locations, including graveyards, hospital delivery rooms and Holocaust memorials. Here, we take a look at some of the weirdest spots that have raised eyebrows and enraged skeptics so far.