Petrovsko, Krapinsko-Zagorska, Croatia, a hidden gem for urban explorers, boasts an array of abandoned, crumbling structures, each one a testament to the region's rich history and cultural heritage. From the ruins of ancient castles to the remnants of once-thriving factories, these crowdsourced urbex spots offer a glimpse into the past, waiting to be discovered and documented by intrepid explorers. Whether you're a seasoned urbex enthusiast or a newcomer to the world of urban exploration, Petrovsko's uncurated list of hidden gems is sure to inspire and captivate.

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