Yogyakarta, the cultural heart of Indonesia, is a city that wears its history on its sleeve. From the ancient temples of Borobudur and Prambanan to the vibrant street art that adorns its walls, Yogyakarta is a city that is steeped in tradition yet embracing of modernity. For those who seek to explore the city's urban landscape beyond the tourist traps, crowdsourced urbex spots offer a unique glimpse into the city's hidden treasures.